drop compatibility with python3.5

https://github.com/fphammerle/wireless-sensor/commit/70812edc7c30fc1d48772265c912ead5136b6e60
https://github.com/fphammerle/wireless-sensor/commit/c9a0056c79d0b505f8f588912b36bb91874e0ddd

.github/dependabot.yml

@@ -5,7 +5,7 @@ updates:
   # > - pipenv, pip-compile, and poetry (specify pip)
   package-ecosystem: pip
   directory: /
-  # avoid changes in Pipfile breaking python3.5 compatibility
+  # avoid changes in Pipfile breaking constraints for compatibility with older python versions
   versioning-strategy: lockfile-only
   schedule:
     interval: weekly

.github/workflows/python.yml

@@ -12,16 +12,12 @@ on:
 
 jobs:
   code-format:
-    runs-on: ubuntu-18.04
-    strategy:
-      matrix:
-        python-version:
-        - 3.8
+    runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v1
-    - uses: actions/setup-python@v1
+    - uses: actions/setup-python@v2.2.2
       with:
-        python-version: ${{ matrix.python-version }}
+        python-version: '3.9'
     - run: pip install --upgrade pipenv==2020.8.13
     - run: pipenv install --python "$PYTHON_VERSION" --deploy --dev
       env:
@@ -29,25 +25,23 @@ jobs:
     - run: pipenv graph
     - run: pipenv run black --check .
   tests:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     strategy:
       matrix:
         python-version:
-        - 3.5
-        - 3.6
-        - 3.7
-        - 3.8
-        - 3.9
+        - '3.6'
+        - '3.7'
+        - '3.8'
+        - '3.9'
       fail-fast: false
     steps:
     - uses: actions/checkout@v1
-    - uses: actions/setup-python@v1
+    - uses: actions/setup-python@v2.2.2
       with:
         python-version: ${{ matrix.python-version }}
     - run: pip install --upgrade pipenv==2020.8.13
-    - run: pipenv install --python "$PYTHON_VERSION" --deploy --dev
-      env:
-        PYTHON_VERSION: ${{ matrix.python-version }}
+    # by default pipenv picks the latest version in PATH
+    - run: pipenv --python "$(which python)" install --deploy --dev
     - run: pipenv graph
     - run: pipenv run pytest --cov="$(cat *.egg-info/top_level.txt)" --cov-report=term-missing --cov-fail-under=100
     - run: pipenv run pylint --load-plugins=pylint_import_requirements "$(cat *.egg-info/top_level.txt)"

.pylintrc

@@ -1,5 +1,4 @@
 [MESSAGE CONTROL]
 
-disable=bad-continuation, # black
-        missing-function-docstring,
+disable=missing-function-docstring,
         missing-module-docstring

CHANGELOG.md

@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Removed
+- compatibility with `python3.5`
 
 ## [0.1.2] - 2020-06-18
 ### Fixed

Pipfile

@@ -7,30 +7,13 @@ name = "pypi"
 ical2vdir = {editable = true,path = "."}
 
 [dev-packages]
-# black requires python>=3.6
-# https://github.com/psf/black/commit/e74117f172e29e8a980e2c9de929ad50d3769150#diff-2eeaed663bd0d25b7e608891384b7298R51
-black = {version = "==20.8b1", markers = "python_version >= '3.6'"}
+black = "==20.8b1"
 mypy = "*"
-#pylint = "*"
+pylint = "*"
 pylint-import-requirements = "*"
-#pytest = "*"
+pytest = "*"
 pytest-cov = "*"
 
-# python3.5 compatibility
-# https://github.com/PyCQA/astroid/commit/d81f07becf3243a84e0baaa3493ce74cafed8022#diff-60f61ab7a8d1910d86d9fda2261620314edcae5894d5aaa236b821c7256badd7R52
-astroid = "<2.5"
-# https://github.com/python/importlib_metadata/commit/107f9029fd5807c6579b881db19e11a0488f0675
-importlib-metadata = "<3"
-isort = "<5"
-# workaround https://github.com/pytest-dev/pytest/issues/3953
-pathlib2 = {version = "*", markers="python_version < '3.6'"}
-# https://github.com/PyCQA/pylint/commit/6e2de8e3a2e2c5586e876ca305f0844bdd822db3
-pylint = "<2.7"
-# https://github.com/pytest-dev/pytest/commit/179f4326df2b644f0ab73f78e4770dafcbdcd89f#diff-fa602a8a75dc9dcc92261bac5f533c2a85e34fcceaff63b3a3a81d9acde2fc52R52
-pytest = "<6.2"
-# https://github.com/jaraco/zipp/commit/05a3c52b4d41690e0471a2e283cffb500dc0329a
-zipp = "<2"
-
 [requires]
 python_version = "3"
 

Pipfile.lock

@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "be3af46dbc1e52d015169c1526ae6bc0500dd751845ada7e721df977752da3f7"
+            "sha256": "7848ddbc5dc740999cd0752c82543de2d53e63035f3f0910959c328d46a23f8e"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -43,10 +43,10 @@
         },
         "six": {
             "hashes": [
-                "sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259",
-                "sha256:8b74bedcbbbaca38ff6d7491d76f2b06b3592611af620f8426e82dddb04a5ced"
+                "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926",
+                "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"
             ],
-            "version": "==1.15.0"
+            "version": "==1.16.0"
         }
     },
     "develop": {
@@ -59,95 +59,95 @@
         },
         "astroid": {
             "hashes": [
-                "sha256:2f4078c2a41bf377eea06d71c9d2ba4eb8f6b1af2135bec27bbbb7d8f12bb703",
-                "sha256:bc58d83eb610252fd8de6363e39d4f1d0619c894b0ed24603b881c02e64c7386"
+                "sha256:4db03ab5fc3340cf619dbc25e42c2cc3755154ce6009469766d7143d1fc2ee4e",
+                "sha256:8a398dfce302c13f14bab13e2b14fe385d32b73f4e4853b9bdfb64598baa1975"
             ],
-            "index": "pypi",
-            "version": "==2.4.2"
+            "version": "==2.5.6"
         },
         "attrs": {
             "hashes": [
-                "sha256:31b2eced602aa8423c2aea9c76a724617ed67cf9513173fd3a4f03e3a929c7e6",
-                "sha256:832aa3cde19744e49938b91fea06d69ecb9e649c93ba974535d08ad92164f700"
+                "sha256:149e90d6d8ac20db7a955ad60cf0e6881a3f20d37096140088356da6c716b0b1",
+                "sha256:ef6aaac3ca6cd92904cdd0d83f629a15f18053ec84e6432106f7a4d04ae4f5fb"
             ],
-            "version": "==20.3.0"
+            "version": "==21.2.0"
         },
         "black": {
             "hashes": [
                 "sha256:1c02557aa099101b9d21496f8a914e9ed2222ef70336404eeeac8edba836fbea"
             ],
             "index": "pypi",
-            "markers": "python_version >= '3.6'",
             "version": "==20.8b1"
         },
         "click": {
             "hashes": [
-                "sha256:d2b5255c7c6349bc1bd1e59e08cd12acbbd63ce649f2588755783aa94dfb6b1a",
-                "sha256:dacca89f4bfadd5de3d7489b7c8a566eee0d3676333fbb50030263894c38c0dc"
+                "sha256:8c04c11192119b1ef78ea049e0a6f0463e4c48ef00a30160c704337586f3ad7a",
+                "sha256:fba402a4a47334742d782209a7c79bc448911afe1149d07bdabdf480b3e2f4b6"
             ],
-            "version": "==7.1.2"
+            "version": "==8.0.1"
         },
         "coverage": {
             "hashes": [
-                "sha256:03ed2a641e412e42cc35c244508cf186015c217f0e4d496bf6d7078ebe837ae7",
-                "sha256:04b14e45d6a8e159c9767ae57ecb34563ad93440fc1b26516a89ceb5b33c1ad5",
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-                "sha256:16baa799ec09cc0dcb43a10680573269d407c159325972dd7114ee7649e56c66",
-                "sha256:1b811662ecf72eb2d08872731636aee6559cae21862c36f74703be727b45df90",
-                "sha256:1ccae21a076d3d5f471700f6d30eb486da1626c380b23c70ae32ab823e453337",
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-                "sha256:4a8eb7785bd23565b542b01fb39115a975fefb4a82f23d407503eee2c0106247",
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-                "sha256:60a3307a84ec60578accd35d7f0c71a3a971430ed7eca6567399d2b50ef37b8c",
-                "sha256:6625e52b6f346a283c3d563d1fd8bae8956daafc64bb5bbd2b8f8a07608e3994",
-                "sha256:66a5aae8233d766a877c5ef293ec5ab9520929c2578fd2069308a98b7374ea8c",
-                "sha256:68fb816a5dd901c6aff352ce49e2a0ffadacdf9b6fae282a69e7a16a02dad5fb",
-                "sha256:6b588b5cf51dc0fd1c9e19f622457cc74b7d26fe295432e434525f1c0fae02bc",
-                "sha256:6c4d7165a4e8f41eca6b990c12ee7f44fef3932fac48ca32cecb3a1b2223c21f",
-                "sha256:6d2e262e5e8da6fa56e774fb8e2643417351427604c2b177f8e8c5f75fc928ca",
-                "sha256:6d9c88b787638a451f41f97446a1c9fd416e669b4d9717ae4615bd29de1ac135",
-                "sha256:755c56beeacac6a24c8e1074f89f34f4373abce8b662470d3aa719ae304931f3",
-                "sha256:7e40d3f8eb472c1509b12ac2a7e24158ec352fc8567b77ab02c0db053927e339",
-                "sha256:812eaf4939ef2284d29653bcfee9665f11f013724f07258928f849a2306ea9f9",
-                "sha256:84df004223fd0550d0ea7a37882e5c889f3c6d45535c639ce9802293b39cd5c9",
-                "sha256:859f0add98707b182b4867359e12bde806b82483fb12a9ae868a77880fc3b7af",
-                "sha256:87c4b38288f71acd2106f5d94f575bc2136ea2887fdb5dfe18003c881fa6b370",
-                "sha256:89fc12c6371bf963809abc46cced4a01ca4f99cba17be5e7d416ed7ef1245d19",
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-                "sha256:9754a5c265f991317de2bac0c70a746efc2b695cf4d49f5d2cddeac36544fb44",
-                "sha256:a565f48c4aae72d1d3d3f8e8fb7218f5609c964e9c6f68604608e5958b9c60c3",
-                "sha256:a636160680c6e526b84f85d304e2f0bb4e94f8284dd765a1911de9a40450b10a",
-                "sha256:a839e25f07e428a87d17d857d9935dd743130e77ff46524abb992b962eb2076c",
-                "sha256:b62046592b44263fa7570f1117d372ae3f310222af1fc1407416f037fb3af21b",
-                "sha256:b7f7421841f8db443855d2854e25914a79a1ff48ae92f70d0a5c2f8907ab98c9",
-                "sha256:ba7ca81b6d60a9f7a0b4b4e175dcc38e8fef4992673d9d6e6879fd6de00dd9b8",
-                "sha256:bb32ca14b4d04e172c541c69eec5f385f9a075b38fb22d765d8b0ce3af3a0c22",
-                "sha256:c0ff1c1b4d13e2240821ef23c1efb1f009207cb3f56e16986f713c2b0e7cd37f",
-                "sha256:c669b440ce46ae3abe9b2d44a913b5fd86bb19eb14a8701e88e3918902ecd345",
-                "sha256:c67734cff78383a1f23ceba3b3239c7deefc62ac2b05fa6a47bcd565771e5880",
-                "sha256:c6809ebcbf6c1049002b9ac09c127ae43929042ec1f1dbd8bb1615f7cd9f70a0",
-                "sha256:cd601187476c6bed26a0398353212684c427e10a903aeafa6da40c63309d438b",
-                "sha256:ebfa374067af240d079ef97b8064478f3bf71038b78b017eb6ec93ede1b6bcec",
-                "sha256:fbb17c0d0822684b7d6c09915677a32319f16ff1115df5ec05bdcaaee40b35f3",
-                "sha256:fff1f3a586246110f34dc762098b5afd2de88de507559e63553d7da643053786"
-            ],
-            "version": "==5.4"
+                "sha256:004d1880bed2d97151facef49f08e255a20ceb6f9432df75f4eef018fdd5a78c",
+                "sha256:01d84219b5cdbfc8122223b39a954820929497a1cb1422824bb86b07b74594b6",
+                "sha256:040af6c32813fa3eae5305d53f18875bedd079960822ef8ec067a66dd8afcd45",
+                "sha256:06191eb60f8d8a5bc046f3799f8a07a2d7aefb9504b0209aff0b47298333302a",
+                "sha256:13034c4409db851670bc9acd836243aeee299949bd5673e11844befcb0149f03",
+                "sha256:13c4ee887eca0f4c5a247b75398d4114c37882658300e153113dafb1d76de529",
+                "sha256:184a47bbe0aa6400ed2d41d8e9ed868b8205046518c52464fde713ea06e3a74a",
+                "sha256:18ba8bbede96a2c3dde7b868de9dcbd55670690af0988713f0603f037848418a",
+                "sha256:1aa846f56c3d49205c952d8318e76ccc2ae23303351d9270ab220004c580cfe2",
+                "sha256:217658ec7187497e3f3ebd901afdca1af062b42cfe3e0dafea4cced3983739f6",
+                "sha256:24d4a7de75446be83244eabbff746d66b9240ae020ced65d060815fac3423759",
+                "sha256:2910f4d36a6a9b4214bb7038d537f015346f413a975d57ca6b43bf23d6563b53",
+                "sha256:2949cad1c5208b8298d5686d5a85b66aae46d73eec2c3e08c817dd3513e5848a",
+                "sha256:2a3859cb82dcbda1cfd3e6f71c27081d18aa251d20a17d87d26d4cd216fb0af4",
+                "sha256:2cafbbb3af0733db200c9b5f798d18953b1a304d3f86a938367de1567f4b5bff",
+                "sha256:2e0d881ad471768bf6e6c2bf905d183543f10098e3b3640fc029509530091502",
+                "sha256:30c77c1dc9f253283e34c27935fded5015f7d1abe83bc7821680ac444eaf7793",
+                "sha256:3487286bc29a5aa4b93a072e9592f22254291ce96a9fbc5251f566b6b7343cdb",
+                "sha256:372da284cfd642d8e08ef606917846fa2ee350f64994bebfbd3afb0040436905",
+                "sha256:41179b8a845742d1eb60449bdb2992196e211341818565abded11cfa90efb821",
+                "sha256:44d654437b8ddd9eee7d1eaee28b7219bec228520ff809af170488fd2fed3e2b",
+                "sha256:4a7697d8cb0f27399b0e393c0b90f0f1e40c82023ea4d45d22bce7032a5d7b81",
+                "sha256:51cb9476a3987c8967ebab3f0fe144819781fca264f57f89760037a2ea191cb0",
+                "sha256:52596d3d0e8bdf3af43db3e9ba8dcdaac724ba7b5ca3f6358529d56f7a166f8b",
+                "sha256:53194af30d5bad77fcba80e23a1441c71abfb3e01192034f8246e0d8f99528f3",
+                "sha256:5fec2d43a2cc6965edc0bb9e83e1e4b557f76f843a77a2496cbe719583ce8184",
+                "sha256:6c90e11318f0d3c436a42409f2749ee1a115cd8b067d7f14c148f1ce5574d701",
+                "sha256:74d881fc777ebb11c63736622b60cb9e4aee5cace591ce274fb69e582a12a61a",
+                "sha256:7501140f755b725495941b43347ba8a2777407fc7f250d4f5a7d2a1050ba8e82",
+                "sha256:796c9c3c79747146ebd278dbe1e5c5c05dd6b10cc3bcb8389dfdf844f3ead638",
+                "sha256:869a64f53488f40fa5b5b9dcb9e9b2962a66a87dab37790f3fcfb5144b996ef5",
+                "sha256:8963a499849a1fc54b35b1c9f162f4108017b2e6db2c46c1bed93a72262ed083",
+                "sha256:8d0a0725ad7c1a0bcd8d1b437e191107d457e2ec1084b9f190630a4fb1af78e6",
+                "sha256:900fbf7759501bc7807fd6638c947d7a831fc9fdf742dc10f02956ff7220fa90",
+                "sha256:92b017ce34b68a7d67bd6d117e6d443a9bf63a2ecf8567bb3d8c6c7bc5014465",
+                "sha256:970284a88b99673ccb2e4e334cfb38a10aab7cd44f7457564d11898a74b62d0a",
+                "sha256:972c85d205b51e30e59525694670de6a8a89691186012535f9d7dbaa230e42c3",
+                "sha256:9a1ef3b66e38ef8618ce5fdc7bea3d9f45f3624e2a66295eea5e57966c85909e",
+                "sha256:af0e781009aaf59e25c5a678122391cb0f345ac0ec272c7961dc5455e1c40066",
+                "sha256:b6d534e4b2ab35c9f93f46229363e17f63c53ad01330df9f2d6bd1187e5eaacf",
+                "sha256:b7895207b4c843c76a25ab8c1e866261bcfe27bfaa20c192de5190121770672b",
+                "sha256:c0891a6a97b09c1f3e073a890514d5012eb256845c451bd48f7968ef939bf4ae",
+                "sha256:c2723d347ab06e7ddad1a58b2a821218239249a9e4365eaff6649d31180c1669",
+                "sha256:d1f8bf7b90ba55699b3a5e44930e93ff0189aa27186e96071fac7dd0d06a1873",
+                "sha256:d1f9ce122f83b2305592c11d64f181b87153fc2c2bbd3bb4a3dde8303cfb1a6b",
+                "sha256:d314ed732c25d29775e84a960c3c60808b682c08d86602ec2c3008e1202e3bb6",
+                "sha256:d636598c8305e1f90b439dbf4f66437de4a5e3c31fdf47ad29542478c8508bbb",
+                "sha256:deee1077aae10d8fa88cb02c845cfba9b62c55e1183f52f6ae6a2df6a2187160",
+                "sha256:ebe78fe9a0e874362175b02371bdfbee64d8edc42a044253ddf4ee7d3c15212c",
+                "sha256:f030f8873312a16414c0d8e1a1ddff2d3235655a2174e3648b4fa66b3f2f1079",
+                "sha256:f0b278ce10936db1a37e6954e15a3730bea96a0997c26d7fee88e6c396c2086d",
+                "sha256:f11642dddbb0253cc8853254301b51390ba0081750a8ac03f20ea8103f0c56b6"
+            ],
+            "version": "==5.5"
         },
         "importlib-metadata": {
             "hashes": [
-                "sha256:b8de9eff2b35fb037368f28a7df1df4e6436f578fa74423505b6c6a778d5b5dd",
-                "sha256:c2d6341ff566f609e89a2acb2db190e5e1d23d5409d6cc8d2fe34d72443876d4"
+                "sha256:8c501196e49fb9df5df43833bdb1e4328f64847763ec8a50703148b73784d581",
+                "sha256:d7eb1dea6d6a6086f8be21784cc9e3bcfa55872b52309bc5fad53a8ea444465d"
             ],
-            "index": "pypi",
-            "version": "==2.1.1"
+            "version": "==4.0.1"
         },
         "iniconfig": {
             "hashes": [
@@ -158,37 +158,37 @@
         },
         "isort": {
             "hashes": [
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-                "sha256:6e811fcb295968434526407adb8796944f1988c5b65e8139058f2014cbe100fd"
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             ],
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-            "version": "==4.3.21"
+            "version": "==5.8.0"
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         "lazy-object-proxy": {
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-                "sha256:9254f4358b9b541e3441b007a0ea0764b9d056afdeafc1a5569eee1cc6c1b9ea",
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-                "sha256:ca0a928a3ddbc5725be2dd1cf895ec0a254798915fb3a36af0964a0a4149e3db",
-                "sha256:cb2c7c57005a6804ab66f106ceb8482da55f5314b7fcb06551db1edae4ad1531",
-                "sha256:d74bb8693bf9cf75ac3b47a54d716bbb1a92648d5f781fc799347cfc95952383",
-                "sha256:d945239a5639b3ff35b70a88c5f2f491913eb94871780ebfabb2568bd58afc5a",
-                "sha256:eba7011090323c1dadf18b3b689845fd96a61ba0a1dfbd7f24b921398affc357",
-                "sha256:efa1909120ce98bbb3777e8b6f92237f5d5c8ea6758efea36a473e1d38f7d3e4",
-                "sha256:f3900e8a5de27447acbf900b4750b0ddfd7ec1ea7fbaf11dfa911141bc522af0"
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-            "version": "==1.4.3"
+                "sha256:17e0967ba374fc24141738c69736da90e94419338fd4c7c7bef01ee26b339653",
+                "sha256:1fee665d2638491f4d6e55bd483e15ef21f6c8c2095f235fef72601021e64f61",
+                "sha256:22ddd618cefe54305df49e4c069fa65715be4ad0e78e8d252a33debf00f6ede2",
+                "sha256:24a5045889cc2729033b3e604d496c2b6f588c754f7a62027ad4437a7ecc4837",
+                "sha256:410283732af311b51b837894fa2f24f2c0039aa7f220135192b38fcc42bd43d3",
+                "sha256:4732c765372bd78a2d6b2150a6e99d00a78ec963375f236979c0626b97ed8e43",
+                "sha256:489000d368377571c6f982fba6497f2aa13c6d1facc40660963da62f5c379726",
+                "sha256:4f60460e9f1eb632584c9685bccea152f4ac2130e299784dbaf9fae9f49891b3",
+                "sha256:5743a5ab42ae40caa8421b320ebf3a998f89c85cdc8376d6b2e00bd12bd1b587",
+                "sha256:85fb7608121fd5621cc4377a8961d0b32ccf84a7285b4f1d21988b2eae2868e8",
+                "sha256:9698110e36e2df951c7c36b6729e96429c9c32b3331989ef19976592c5f3c77a",
+                "sha256:9d397bf41caad3f489e10774667310d73cb9c4258e9aed94b9ec734b34b495fd",
+                "sha256:b579f8acbf2bdd9ea200b1d5dea36abd93cabf56cf626ab9c744a432e15c815f",
+                "sha256:b865b01a2e7f96db0c5d12cfea590f98d8c5ba64ad222300d93ce6ff9138bcad",
+                "sha256:bf34e368e8dd976423396555078def5cfc3039ebc6fc06d1ae2c5a65eebbcde4",
+                "sha256:c6938967f8528b3668622a9ed3b31d145fab161a32f5891ea7b84f6b790be05b",
+                "sha256:d1c2676e3d840852a2de7c7d5d76407c772927addff8d742b9808fe0afccebdf",
+                "sha256:d7124f52f3bd259f510651450e18e0fd081ed82f3c08541dffc7b94b883aa981",
+                "sha256:d900d949b707778696fdf01036f58c9876a0d8bfe116e8d220cfd4b15f14e741",
+                "sha256:ebfd274dcd5133e0afae738e6d9da4323c3eb021b3e13052d8cbd0e457b1256e",
+                "sha256:ed361bb83436f117f9917d282a456f9e5009ea12fd6de8742d1a4752c3017e93",
+                "sha256:f5144c75445ae3ca2057faac03fda5a902eff196702b0a24daf1d6ce0650514b"
+            ],
+            "version": "==1.6.0"
         },
         "mccabe": {
             "hashes": [
@@ -239,15 +239,6 @@
             ],
             "version": "==20.9"
         },
-        "pathlib2": {
-            "hashes": [
-                "sha256:0ec8205a157c80d7acc301c0b18fbd5d44fe655968f5d947b6ecef5290fc35db",
-                "sha256:6cd9a47b597b37cc57de1c05e56fb1a1c9cc9fab04fe78c29acd090418529868"
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-            "index": "pypi",
-            "markers": "python_version < '3.6'",
-            "version": "==2.3.5"
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         "pathspec": {
             "hashes": [
                 "sha256:86379d6b86d75816baba717e64b1a3a3469deb93bb76d613c9ce79edc5cb68fd",
@@ -271,11 +262,11 @@
         },
         "pylint": {
             "hashes": [
-                "sha256:718b74786ea7ed07aa0c58bf572154d4679f960d26e9641cc1de204a30b87fc9",
-                "sha256:e71c2e9614a4f06e36498f310027942b0f4f2fde20aebb01655b31edc63b9eaf"
+                "sha256:586d8fa9b1891f4b725f587ef267abe2a1bad89d6b184520c7f07a253dd6e217",
+                "sha256:f7e2072654a6b6afdf5e2fb38147d3e2d2d43c89f648637baab63e026481279b"
             ],
             "index": "pypi",
-            "version": "==2.6.2"
+            "version": "==2.8.2"
         },
         "pylint-import-requirements": {
             "hashes": [
@@ -294,72 +285,65 @@
         },
         "pytest": {
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+                "sha256:50bcad0a0b9c5a72c8e4e7c9855a3ad496ca6a881a3641b4260605450772c54b",
+                "sha256:91ef2131a9bd6be8f76f1f08eac5c5317221d6ad1e143ae03894b862e8976890"
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             "index": "pypi",
-            "version": "==6.1.2"
+            "version": "==6.2.4"
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         "pytest-cov": {
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-                "sha256:bdb9fdb0b85a7cc825269a4c56b48ccaa5c7e365054b6038772c32ddcdc969da"
+                "sha256:8535764137fecce504a49c2b742288e3d34bc09eed298ad65963616cc98fd45e",
+                "sha256:95d4933dcbbacfa377bb60b29801daa30d90c33981ab2a79e9ab4452c165066e"
             ],
             "index": "pypi",
-            "version": "==2.11.1"
+            "version": "==2.12.0"
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+                "sha256:d3029c340cfbb3ac0a71798100ccc13b97dddf373a4ae56b6a72cf70dfd53bc8",
+                "sha256:e512d8ef5ad7b898cdb2d8ee1cb09a8339e4f8be706d27eaa180c2f177248a10",
+                "sha256:e8e5b509d5c2ff12f8418006d5a90e9436766133b564db0abaec92fd27fcee29",
+                "sha256:ee54ff27bf0afaf4c3b3a62bcd016c12c3fdb4ec4f413391a90bd38bc3624605",
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+                "sha256:fd45ff9293d9274c5008a2054ecef86a9bfe819a67c7be1afb65e69b405b3042"
+            ],
+            "version": "==2021.4.4"
         },
         "toml": {
             "hashes": [
@@ -370,46 +354,46 @@
         },
         "typed-ast": {
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-                "sha256:84aa6223d71012c68d577c83f4e7db50d11d6b1399a9c779046d75e24bed74ea",
-                "sha256:85f95aa97a35bdb2f2f7d10ec5bbdac0aeb9dafdaf88e17492da0504de2e6400",
-                "sha256:8db0e856712f79c45956da0c9a40ca4246abc3485ae0d7ecc86a20f5e4c09abc",
-                "sha256:9044ef2df88d7f33692ae3f18d3be63dec69c4fb1b5a4a9ac950f9b4ba571606",
-                "sha256:963c80b583b0661918718b095e02303d8078950b26cc00b5e5ea9ababe0de1fc",
-                "sha256:987f15737aba2ab5f3928c617ccf1ce412e2e321c77ab16ca5a293e7bbffd581",
-                "sha256:9ec45db0c766f196ae629e509f059ff05fc3148f9ffd28f3cfe75d4afb485412",
-                "sha256:9fc0b3cb5d1720e7141d103cf4819aea239f7d136acf9ee4a69b047b7986175a",
-                "sha256:a2c927c49f2029291fbabd673d51a2180038f8cd5a5b2f290f78c4516be48be2",
-                "sha256:a38878a223bdd37c9709d07cd357bb79f4c760b29210e14ad0fb395294583787",
-                "sha256:b4fcdcfa302538f70929eb7b392f536a237cbe2ed9cba88e3bf5027b39f5f77f",
-                "sha256:c0c74e5579af4b977c8b932f40a5464764b2f86681327410aa028a22d2f54937",
-                "sha256:c1c876fd795b36126f773db9cbb393f19808edd2637e00fd6caba0e25f2c7b64",
-                "sha256:c9aadc4924d4b5799112837b226160428524a9a45f830e0d0f184b19e4090487",
-                "sha256:cc7b98bf58167b7f2db91a4327da24fb93368838eb84a44c472283778fc2446b",
-                "sha256:cf54cfa843f297991b7388c281cb3855d911137223c6b6d2dd82a47ae5125a41",
-                "sha256:d003156bb6a59cda9050e983441b7fa2487f7800d76bdc065566b7d728b4581a",
-                "sha256:d175297e9533d8d37437abc14e8a83cbc68af93cc9c1c59c2c292ec59a0697a3",
-                "sha256:d746a437cdbca200622385305aedd9aef68e8a645e385cc483bdc5e488f07166",
-                "sha256:e683e409e5c45d5c9082dc1daf13f6374300806240719f95dc783d1fc942af10"
-            ],
-            "version": "==1.4.2"
+                "sha256:01ae5f73431d21eead5015997ab41afa53aa1fbe252f9da060be5dad2c730ace",
+                "sha256:067a74454df670dcaa4e59349a2e5c81e567d8d65458d480a5b3dfecec08c5ff",
+                "sha256:0fb71b8c643187d7492c1f8352f2c15b4c4af3f6338f21681d3681b3dc31a266",
+                "sha256:1b3ead4a96c9101bef08f9f7d1217c096f31667617b58de957f690c92378b528",
+                "sha256:2068531575a125b87a41802130fa7e29f26c09a2833fea68d9a40cf33902eba6",
+                "sha256:209596a4ec71d990d71d5e0d312ac935d86930e6eecff6ccc7007fe54d703808",
+                "sha256:2c726c276d09fc5c414693a2de063f521052d9ea7c240ce553316f70656c84d4",
+                "sha256:398e44cd480f4d2b7ee8d98385ca104e35c81525dd98c519acff1b79bdaac363",
+                "sha256:52b1eb8c83f178ab787f3a4283f68258525f8d70f778a2f6dd54d3b5e5fb4341",
+                "sha256:5feca99c17af94057417d744607b82dd0a664fd5e4ca98061480fd8b14b18d04",
+                "sha256:7538e495704e2ccda9b234b82423a4038f324f3a10c43bc088a1636180f11a41",
+                "sha256:760ad187b1041a154f0e4d0f6aae3e40fdb51d6de16e5c99aedadd9246450e9e",
+                "sha256:777a26c84bea6cd934422ac2e3b78863a37017618b6e5c08f92ef69853e765d3",
+                "sha256:95431a26309a21874005845c21118c83991c63ea800dd44843e42a916aec5899",
+                "sha256:9ad2c92ec681e02baf81fdfa056fe0d818645efa9af1f1cd5fd6f1bd2bdfd805",
+                "sha256:9c6d1a54552b5330bc657b7ef0eae25d00ba7ffe85d9ea8ae6540d2197a3788c",
+                "sha256:aee0c1256be6c07bd3e1263ff920c325b59849dc95392a05f258bb9b259cf39c",
+                "sha256:af3d4a73793725138d6b334d9d247ce7e5f084d96284ed23f22ee626a7b88e39",
+                "sha256:b36b4f3920103a25e1d5d024d155c504080959582b928e91cb608a65c3a49e1a",
+                "sha256:b9574c6f03f685070d859e75c7f9eeca02d6933273b5e69572e5ff9d5e3931c3",
+                "sha256:bff6ad71c81b3bba8fa35f0f1921fb24ff4476235a6e94a26ada2e54370e6da7",
+                "sha256:c190f0899e9f9f8b6b7863debfb739abcb21a5c054f911ca3596d12b8a4c4c7f",
+                "sha256:c907f561b1e83e93fad565bac5ba9c22d96a54e7ea0267c708bffe863cbe4075",
+                "sha256:cae53c389825d3b46fb37538441f75d6aecc4174f615d048321b716df2757fb0",
+                "sha256:dd4a21253f42b8d2b48410cb31fe501d32f8b9fbeb1f55063ad102fe9c425e40",
+                "sha256:dde816ca9dac1d9c01dd504ea5967821606f02e510438120091b84e852367428",
+                "sha256:f2362f3cb0f3172c42938946dbc5b7843c2a28aec307c49100c8b38764eb6927",
+                "sha256:f328adcfebed9f11301eaedfa48e15bdece9b519fb27e6a8c01aa52a17ec31b3",
+                "sha256:f8afcf15cc511ada719a88e013cec87c11aff7b91f019295eb4530f96fe5ef2f",
+                "sha256:fb1bbeac803adea29cedd70781399c99138358c26d05fcbd23c13016b7f5ec65"
+            ],
+            "version": "==1.4.3"
         },
         "typing-extensions": {
             "hashes": [
-                "sha256:7cb407020f00f7bfc3cb3e7881628838e69d8f3fcab2f64742a5e76b2f841918",
-                "sha256:99d4073b617d30288f569d3f13d2bd7548c3a7e4c8de87db09a9d29bb3a4a60c",
-                "sha256:dafc7639cde7f1b6e1acc0f457842a83e722ccca8eef5270af2d74792619a89f"
+                "sha256:0ac0f89795dd19de6b97debb0c6af1c70987fd80a2d62d1958f7e56fcc31b497",
+                "sha256:50b6f157849174217d0656f99dc82fe932884fb250826c18350e159ec6cdf342",
+                "sha256:779383f6086d90c99ae41cf0ff39aac8a7937a9283ce0a414e5dd782f4c94a84"
             ],
-            "version": "==3.7.4.3"
+            "version": "==3.10.0.0"
         },
         "wrapt": {
             "hashes": [
@@ -419,11 +403,10 @@
         },
         "zipp": {
             "hashes": [
-                "sha256:c70410551488251b0fee67b460fb9a536af8d6f9f008ad10ac51f615b6a521b1",
-                "sha256:e0d9e63797e483a30d27e09fffd308c59a700d365ec34e93cc100844168bf921"
+                "sha256:3607921face881ba3e026887d8150cca609d517579abe052ac81fc5aeffdbd76",
+                "sha256:51cb66cc54621609dd593d1787f286ee42a5c0adbb4b29abea5a63edc3e03098"
             ],
-            "index": "pypi",
-            "version": "==1.2.0"
+            "version": "==3.4.1"
         }
     }
 }

setup.py

@@ -42,7 +42,6 @@ setuptools.setup(
         "License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)",
         "Operating System :: OS Independent",
         # .github/workflows/python.yml
-        "Programming Language :: Python :: 3.5",
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
@@ -54,6 +53,7 @@ setuptools.setup(
             "ical2vdir = ical2vdir:_main",
         ]
     },
+    python_requires=">=3.6",
     install_requires=["icalendar>=4,<5"],
     setup_requires=["setuptools_scm"],
     tests_require=["pytest"],

tests/vdir_test.py

@@ -58,8 +58,7 @@ def test__write_event_cleanup(tmp_path: pathlib.Path):
     with unittest.mock.patch("os.unlink") as unlink_mock:
         with pytest.raises(IsADirectoryError):
             ical2vdir._write_event(event, tmp_path)
-    # assert_called_once new in python3.6
-    assert unlink_mock.call_count == 1
+    unlink_mock.assert_called_once()
     unlink_args, _ = unlink_mock.call_args
     os.unlink(unlink_args[0])