Use covdefaults to handle coveragerc

.coveragerc

@@ -1,29 +0,0 @@
-[run]
-branch = True
-source =
-    .
-omit =
-    .tox/*
-    /usr/*
-    setup.py
-
-[report]
-show_missing = True
-skip_covered = True
-exclude_lines =
-    # Have to re-enable the standard pragma
-    \#\s*pragma: no cover
-
-    # Don't complain if tests don't hit defensive assertion code:
-    ^\s*raise AssertionError\b
-    ^\s*raise NotImplementedError\b
-    ^\s*return NotImplemented\b
-    ^\s*raise$
-
-    # Don't complain if non-runnable code isn't run:
-    ^if __name__ == ['"]__main__['"]:$
-
-[html]
-directory = coverage-html
-
-# vim:ft=dosini

requirements-dev.txt

@@ -1,6 +1,4 @@
--e .
-
+covdefaults
 coverage
-mock
 pre-commit
 pytest

setup.cfg

@@ -68,6 +68,9 @@ exclude =
 [bdist_wheel]
 universal = True
 
+[coverage:run]
+plugins = covdefaults
+
 [mypy]
 check_untyped_defs = true
 disallow_any_generics = true

tests/detect_aws_credentials_test.py

@@ -1,5 +1,6 @@
+from unittest.mock import patch
+
 import pytest
-from mock import patch
 
 from pre_commit_hooks.detect_aws_credentials import get_aws_cred_files_from_env
 from pre_commit_hooks.detect_aws_credentials import get_aws_secrets_from_env