GitHub Action to lint Python code (#4)

* GitHub Action to lint Python code

* Update lint_python.yml

* Update setup.py

.github/workflows/lint_python.yml

@@ -0,0 +1,25 @@
+name: lint_python
+on: [pull_request, push]
+jobs:
+  lint_python:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
+        with:
+          python-version: 3.x
+      - run: pip install --upgrade pip wheel
+      - run: pip install bandit "black[jupyter]" codespell flake8 flake8-2020 flake8-bugbear
+                         flake8-comprehensions isort mypy pytest pyupgrade safety
+      - run: bandit --recursive --skip B101 .
+      - run: black --check . || true
+      - run: codespell --ignore-words-list="fo,therefor"
+      - run: flake8 --ignore=E203,F401,F403 --max-complexity=10
+                    --max-line-length=125 --show-source --statistics .
+      - run: isort --check-only --profile black . || true
+      - run: pip install -r requirements.txt || pip install --editable . || pip install . || true
+      - run: mkdir --parents --verbose .mypy_cache
+      - run: mypy --ignore-missing-imports --install-types --non-interactive . || true
+      - run: pytest --doctest-modules . || true
+      - run: shopt -s globstar && pyupgrade --py37-plus **/*.py || true
+      - run: safety check

setup.py

@@ -1,6 +1,7 @@
 import setuptools
 import os
 
+
 # Utility function to read the README file.
 # Used for the long_description.  It's nice, because now 1) we have a top level
 # README file and 2) it's easier to type in the README file than to put a raw