Improve pylint score (#142)

* fix: errors to improve pylint scores

* fix: test

* fix

* add: flake ignore rule to pip8speaks conf

* fix

* add: test patterns to deepsource conf

setup.cfg

@@ -65,7 +65,7 @@ profile = black
 [flake8]
 indent-size = 4
 max-line-length = 88
-extend-ignore = W605
+extend-ignore = W503,W605
 
 [mypy]
 python_version = 3.9
@@ -84,7 +84,3 @@ addopts =
     --cov-report=html
 testpaths =
     tests
-
-[pycodestyle]
-# for `license` and `filter in `waybackpy.cli.main`
-ignore = W0622