Use a non-deprecated PEP8 plugin

Author: gdubicki

.github/workflows/tests.yml

@@ -25,7 +25,7 @@ jobs:
           mypy --install-types --non-interactive pypuppetdb/ tests/
       - name: Test
         run: |
-          pytest --cov=. --cov-report=xml --pep8 --strict-markers --mypy pypuppetdb tests
+          pytest --cov=. --cov-report=xml --flake8 --strict-markers --mypy pypuppetdb tests
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v2
         with:

pytest.ini

@@ -1,10 +1,4 @@
 [pytest]
-filterwarnings =
-    ignore::DeprecationWarning
-    ignore::PendingDeprecationWarning
-markers =
-    pep8: workaround for https://bitbucket.org/pytest-dev/pytest-pep8/issues/23/
 pep8maxlinelength = 100
-addopts = --cov=pypuppetdb --cov-report=term-missing
 norecursedirs = docs .tox venv .eggs lib
 python_files = tests/*.py

requirements-test.txt

@@ -5,7 +5,7 @@ pep8
 mock
 pytest<7
 pytest-cov
-pytest-pep8
+pytest-flake8
 pytest-mock
 pytest-mypy
 cov-core