coverage limit 100%

.coveragerc

@@ -0,0 +1,4 @@
+# https://pytest-cov.readthedocs.io/en/stable/config.html
+
+[report]
+fail_under = 100

dlinfo/__init__.py

@@ -35,7 +35,7 @@ class DLInfo:
     def __init__(self, cdll: ctypes.CDLL):
         _linkmap = ctypes.c_void_p()
         # pylint: disable=protected-access
-        if _DLINFO(cdll._handle, _RTLD_DI_LINKMAP, ctypes.byref(_linkmap)) != 0:
+        if _DLINFO(cdll._handle, _RTLD_DI_LINKMAP, ctypes.byref(_linkmap)) != 0:  # pragma: no cover
             raise Exception('dlinfo on {} failed'.format(cdll._name))
         self._linkmap = ctypes.cast(_linkmap, ctypes.POINTER(_LinkMap))