ci: update flake8

Signed-off-by: Radostin Stoyanov <rstoyanov@fedoraproject.org>

.github/workflows/lint.yml

@@ -14,7 +14,9 @@ jobs:
       image: registry.fedoraproject.org/fedora:latest
     steps:
     - name: Install tools
-      run: sudo dnf -y install git make python3-flake8 xz clang-tools-extra which codespell git-clang-format ShellCheck
+      run: |
+        sudo dnf -y install git make python3-pip xz clang-tools-extra which codespell git-clang-format ShellCheck
+        python3 -m pip install -U flake8 pep8-naming pycodestyle
 
     - uses: actions/checkout@v2
 

Makefile

@@ -436,20 +436,21 @@ help:
 	@echo '      amdgpu_plugin   - Make AMD GPU plugin'
 .PHONY: help
 
+FLAKE8 := $(PYTHON) -m flake8
 lint:
-	flake8 --version
-	flake8 --config=scripts/flake8.cfg test/zdtm.py
-	flake8 --config=scripts/flake8.cfg test/inhfd/*.py
-	flake8 --config=scripts/flake8.cfg test/others/rpc/config_file.py
-	flake8 --config=scripts/flake8.cfg lib/pycriu/images/pb2dict.py
-	flake8 --config=scripts/flake8.cfg lib/pycriu/images/images.py
-	flake8 --config=scripts/flake8.cfg scripts/criu-ns
-	flake8 --config=scripts/flake8.cfg test/others/criu-ns/run.py
-	flake8 --config=scripts/flake8.cfg crit/*.py
-	flake8 --config=scripts/flake8.cfg crit/crit/*.py
-	flake8 --config=scripts/flake8.cfg scripts/uninstall_module.py
-	flake8 --config=scripts/flake8.cfg coredump/ coredump/coredump
-	flake8 --config=scripts/flake8.cfg scripts/github-indent-warnings.py
+	$(FLAKE8) --version
+	$(FLAKE8) --config=scripts/flake8.cfg test/zdtm.py
+	$(FLAKE8) --config=scripts/flake8.cfg test/inhfd/*.py
+	$(FLAKE8) --config=scripts/flake8.cfg test/others/rpc/config_file.py
+	$(FLAKE8) --config=scripts/flake8.cfg lib/pycriu/images/pb2dict.py
+	$(FLAKE8) --config=scripts/flake8.cfg lib/pycriu/images/images.py
+	$(FLAKE8) --config=scripts/flake8.cfg scripts/criu-ns
+	$(FLAKE8) --config=scripts/flake8.cfg test/others/criu-ns/run.py
+	$(FLAKE8) --config=scripts/flake8.cfg crit/*.py
+	$(FLAKE8) --config=scripts/flake8.cfg crit/crit/*.py
+	$(FLAKE8) --config=scripts/flake8.cfg scripts/uninstall_module.py
+	$(FLAKE8) --config=scripts/flake8.cfg coredump/ coredump/coredump
+	$(FLAKE8) --config=scripts/flake8.cfg scripts/github-indent-warnings.py
 	shellcheck --version
 	shellcheck scripts/*.sh
 	shellcheck scripts/ci/*.sh scripts/ci/apt-install