pipenv: replace yapf with black

.style.yapf

@@ -1,2 +0,0 @@
-[style]
-based_on_style = pep8

Pipfile

@@ -10,6 +10,7 @@ freesurfer-stats = {editable = true, path = "."}
 pandas = "<1"
 
 [dev-packages]
+black = "==19.10b0"
 isort = "*"
 # >=2.3.0 due to false+ assignment-from-no-return
 # https://github.com/PyCQA/pylint/issues/2694
@@ -18,7 +19,6 @@ pylint-import-requirements = "<3"
 pytest = "<5"
 # >=2 for --cov-fail-under
 pytest-cov = "<3,>=2"
-yapf = "*"
 # v2.0.0 dropped python<3.6 support
 # https://github.com/jaraco/zipp/commit/05a3c52b4d41690e0471a2e283cffb500dc0329a
 zipp = "<2"

Pipfile.lock

@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "92527a78f94a76d103e9dd259d1470c4dc10b441a4192a92c6f1d59109ba1cff"
+            "sha256": "9438a31d4f660b467cdfcd236820862ab2280a7d2f90aaa730e47bece555e643"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -87,13 +87,20 @@
         },
         "six": {
             "hashes": [
-                "sha256:236bdbdce46e6e6a3d61a337c0f8b763ca1e8717c03b369e87a7ec7ce1319c0a",
-                "sha256:8f3cd2e254d8f793e7f3d6d9df77b92252b52637291d0f0da013c76ea2724b6c"
+                "sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259",
+                "sha256:8b74bedcbbbaca38ff6d7491d76f2b06b3592611af620f8426e82dddb04a5ced"
             ],
-            "version": "==1.14.0"
+            "version": "==1.15.0"
         }
     },
     "develop": {
+        "appdirs": {
+            "hashes": [
+                "sha256:7d5d0167b2b1ba821647616af46a749d1c653740dd0d2415100fe26e27afdf41",
+                "sha256:a841dacd6b99318a741b166adb07e19ee71a274450e68237b4650ca1055ab128"
+            ],
+            "version": "==1.4.4"
+        },
         "astroid": {
             "hashes": [
                 "sha256:4c17cea3e592c21b6e222f673868961bad77e1f985cb1694ed077475a89229c1",
@@ -115,6 +122,21 @@
             ],
             "version": "==19.3.0"
         },
+        "black": {
+            "hashes": [
+                "sha256:1b30e59be925fafc1ee4565e5e08abef6b03fe455102883820fe5ee2e4734e0b",
+                "sha256:c2edb73a08e9e0e6f65a0e6af18b059b8b1cdd5bef997d7a0b181df93dc81539"
+            ],
+            "index": "pypi",
+            "version": "==19.10b0"
+        },
+        "click": {
+            "hashes": [
+                "sha256:d2b5255c7c6349bc1bd1e59e08cd12acbbd63ce649f2588755783aa94dfb6b1a",
+                "sha256:dacca89f4bfadd5de3d7489b7c8a566eee0d3676333fbb50030263894c38c0dc"
+            ],
+            "version": "==7.1.2"
+        },
         "coverage": {
             "hashes": [
                 "sha256:00f1d23f4336efc3b311ed0d807feb45098fc86dee1ca13b3d6768cdab187c8a",
@@ -202,18 +224,25 @@
         },
         "more-itertools": {
             "hashes": [
-                "sha256:5dd8bcf33e5f9513ffa06d5ad33d78f31e1931ac9a18f33d37e77a180d393a7c",
-                "sha256:b1ddb932186d8a6ac451e1d95844b382f55e12686d51ca0c68b6f61f2ab7a507"
+                "sha256:558bb897a2232f5e4f8e2399089e35aecb746e1f9191b6584a151647e89267be",
+                "sha256:7818f596b1e87be009031c7653d01acc46ed422e6656b394b0f765ce66ed4982"
             ],
             "markers": "python_version > '2.7'",
-            "version": "==8.2.0"
+            "version": "==8.3.0"
         },
         "packaging": {
             "hashes": [
-                "sha256:3c292b474fda1671ec57d46d739d072bfd495a4f51ad01a055121d81e952b7a3",
-                "sha256:82f77b9bee21c1bafbf35a84905d604d5d1223801d639cf3ed140bd651c08752"
+                "sha256:4357f74f47b9c12db93624a82154e9b120fa8293699949152b22065d556079f8",
+                "sha256:998416ba6962ae7fbd6596850b80e17859a5753ba17c32284f67bfff33784181"
             ],
-            "version": "==20.3"
+            "version": "==20.4"
+        },
+        "pathspec": {
+            "hashes": [
+                "sha256:7d91249d21749788d07a2d0f94147accd8f845507400749ea19c1ec9054a12b0",
+                "sha256:da45173eb3a6f2a5a487efba21f050af2b41948be6ab52b6a1e3ff22bb8b7061"
+            ],
+            "version": "==0.8.0"
         },
         "pluggy": {
             "hashes": [
@@ -254,33 +283,59 @@
         },
         "pytest": {
             "hashes": [
-                "sha256:19e8f75eac01dd3f211edd465b39efbcbdc8fc5f7866d7dd49fedb30d8adf339",
-                "sha256:c77a5f30a90e0ce24db9eaa14ddfd38d4afb5ea159309bdd2dae55b931bc9324"
+                "sha256:0031b5021e1204f12e5a044500fbf31e3f64c6f2d69ded910af003abd0d91ae4",
+                "sha256:a24f6d11abff602da7b8aa33520734d604d25c4f070222e23667bb9782ba763e"
             ],
             "index": "pypi",
-            "version": "==4.6.9"
+            "version": "==4.6.10"
         },
         "pytest-cov": {
             "hashes": [
-                "sha256:cc6742d8bac45070217169f5f72ceee1e0e55b0221f54bcf24845972d3a47f2b",
-                "sha256:cdbdef4f870408ebdbfeb44e63e07eb18bb4619fae852f6e760645fa36172626"
+                "sha256:b6a814b8ed6247bd81ff47f038511b57fe1ce7f4cc25b9106f1a4b106f1d9322",
+                "sha256:c87dfd8465d865655a8213859f1b4749b43448b5fae465cb981e16d52a811424"
             ],
             "index": "pypi",
-            "version": "==2.8.1"
+            "version": "==2.9.0"
+        },
+        "regex": {
+            "hashes": [
+                "sha256:1386e75c9d1574f6aa2e4eb5355374c8e55f9aac97e224a8a5a6abded0f9c927",
+                "sha256:27ff7325b297fb6e5ebb70d10437592433601c423f5acf86e5bc1ee2919b9561",
+                "sha256:329ba35d711e3428db6b45a53b1b13a0a8ba07cbbcf10bbed291a7da45f106c3",
+                "sha256:3a9394197664e35566242686d84dfd264c07b20f93514e2e09d3c2b3ffdf78fe",
+                "sha256:51f17abbe973c7673a61863516bdc9c0ef467407a940f39501e786a07406699c",
+                "sha256:579ea215c81d18da550b62ff97ee187b99f1b135fd894a13451e00986a080cad",
+                "sha256:70c14743320a68c5dac7fc5a0f685be63bc2024b062fe2aaccc4acc3d01b14a1",
+                "sha256:7e61be8a2900897803c293247ef87366d5df86bf701083b6c43119c7c6c99108",
+                "sha256:8044d1c085d49673aadb3d7dc20ef5cb5b030c7a4fa253a593dda2eab3059929",
+                "sha256:89d76ce33d3266173f5be80bd4efcbd5196cafc34100fdab814f9b228dee0fa4",
+                "sha256:99568f00f7bf820c620f01721485cad230f3fb28f57d8fbf4a7967ec2e446994",
+                "sha256:a7c37f048ec3920783abab99f8f4036561a174f1314302ccfa4e9ad31cb00eb4",
+                "sha256:c2062c7d470751b648f1cacc3f54460aebfc261285f14bc6da49c6943bd48bdd",
+                "sha256:c9bce6e006fbe771a02bda468ec40ffccbf954803b470a0345ad39c603402577",
+                "sha256:ce367d21f33e23a84fb83a641b3834dd7dd8e9318ad8ff677fbfae5915a239f7",
+                "sha256:ce450ffbfec93821ab1fea94779a8440e10cf63819be6e176eb1973a6017aff5",
+                "sha256:ce5cc53aa9fbbf6712e92c7cf268274eaff30f6bd12a0754e8133d85a8fb0f5f",
+                "sha256:d466967ac8e45244b9dfe302bbe5e3337f8dc4dec8d7d10f5e950d83b140d33a",
+                "sha256:d881c2e657c51d89f02ae4c21d9adbef76b8325fe4d5cf0e9ad62f850f3a98fd",
+                "sha256:e565569fc28e3ba3e475ec344d87ed3cd8ba2d575335359749298a0899fe122e",
+                "sha256:ea55b80eb0d1c3f1d8d784264a6764f931e172480a2f1868f2536444c5f01e01"
+            ],
+            "version": "==2020.5.14"
         },
         "six": {
             "hashes": [
-                "sha256:236bdbdce46e6e6a3d61a337c0f8b763ca1e8717c03b369e87a7ec7ce1319c0a",
-                "sha256:8f3cd2e254d8f793e7f3d6d9df77b92252b52637291d0f0da013c76ea2724b6c"
+                "sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259",
+                "sha256:8b74bedcbbbaca38ff6d7491d76f2b06b3592611af620f8426e82dddb04a5ced"
             ],
-            "version": "==1.14.0"
+            "version": "==1.15.0"
         },
         "toml": {
             "hashes": [
-                "sha256:229f81c57791a41d65e399fc06bf0848bab550a9dfd5ed66df18ce5f05e73d5c",
-                "sha256:235682dd292d5899d361a811df37e04a8828a5b1da3115886b73cf81ebc9100e"
+                "sha256:926b612be1e5ce0634a2ca03470f95169cf16f939018233a670519cb4ac58b0f",
+                "sha256:bda89d5935c2eac546d648028b9901107a595863cb36bae0c73ac804a9b4ce88"
             ],
-            "version": "==0.10.0"
+            "version": "==0.10.1"
         },
         "typed-ast": {
             "hashes": [
@@ -322,14 +377,6 @@
             ],
             "version": "==1.12.1"
         },
-        "yapf": {
-            "hashes": [
-                "sha256:3000abee4c28daebad55da6c85f3cd07b8062ce48e2e9943c8da1b9667d48427",
-                "sha256:3abf61ba67cf603069710d30acbc88cfe565d907e16ad81429ae90ce9651e0c9"
-            ],
-            "index": "pypi",
-            "version": "==0.30.0"
-        },
         "zipp": {
             "hashes": [
                 "sha256:c70410551488251b0fee67b460fb9a536af8d6f9f008ad10ac51f615b6a521b1",