chore: add pylint and appropriate fixes for python script

.github/workflows/pull_requests.yml

@@ -7,17 +7,21 @@ on:
       - 'release-v[0-9]+.[0-9]+'
 
 jobs:
-  shellcheck:
+  check:
     runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v2
-      - name: install shellcheck
+      - name: Install shellcheck
         run: |
             curl --retry 10 --retry-max-time 120 --retry-delay 5 -Lo- https://github.com/koalaman/shellcheck/releases/download/v0.7.1/shellcheck-v0.7.1.linux.x86_64.tar.xz | tar -xJf -
             sudo cp shellcheck-v0.7.1/shellcheck /usr/local/bin && rm -rf shellcheck-v0.7.1
       - name: shellcheck
         run: make shellcheck
-
+      - name: Install pylint
+        run: sudo apt-get install --yes pylint
+      - name: Run pylint
+        run: make pylint
+
   test-bundle-status:
     name: Test whether bundle.yaml is up to date
     runs-on: ubuntu-20.04

Makefile

@@ -232,3 +232,9 @@ update-components-images:
 
 generate-watches:
 	./scripts/generate_watches.py
+
+pylint:
+	pylint --rcfile=pylint.rc scripts/*.py
+
+autopep8:
+	autopep8 --in-place  scripts/*.py