Update workshop flake8.

Author: ebezzam

.github/workflows/python_no_pycsou.yml

@@ -42,7 +42,7 @@ jobs:
       run: |
         pip install flake8
         # stop the build if there are Python syntax errors or undefined names
-        flake8 . --count --select=B,C,E,F,W,T4,B9 --show-source --statistics --max-complexity=18 --max-line-length=100 --ignore=E203,E266,E501,W503,F403,F401,C901 --exclude=profile,scripts,docs
+        flake8 . --count --select=B,C,E,F,W,T4,B9 --show-source --statistics --max-complexity=18 --max-line-length=100 --ignore=E203,E266,E501,W503,F403,F401,C901,PLW0602 --exclude=profile,scripts,docs
         # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
         # flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
     - name: Format with black

.github/workflows/python_pycsou.yml

@@ -42,7 +42,7 @@ jobs:
       run: |
         pip install flake8
         # stop the build if there are Python syntax errors or undefined names
-        flake8 . --count --select=B,C,E,F,W,T4,B9 --show-source --statistics --max-complexity=18 --max-line-length=100 --ignore=E203,E266,E501,W503,F403,F401,C901 --exclude=profile,scripts,docs
+        flake8 . --count --select=B,C,E,F,W,T4,B9 --show-source --statistics --max-complexity=18 --max-line-length=100 --ignore=E203,E266,E501,W503,F403,F401,C901,PLW0602 --exclude=profile,scripts,docs
         # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
         # flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
     - name: Format with black