Update flake8 linting configuration to exclude specific directories in CI workflows

  - Added `--exclude=dynamo/external,external` option to flake8 commands in both python-package.yml and python-plain-run-test.yml to prevent linting errors from external directories.

Author: Starlitnightly

.flake8

@@ -0,0 +1,15 @@
+[flake8]
+exclude =
+    .git,
+    __pycache__,
+    .venv,
+    venv,
+    build,
+    dist,
+    *.egg-info,
+    dynamo/external,
+    external
+select = E9,F63,F7,F82
+count = True
+show-source = True
+statistics = True

.github/workflows/python-package.yml

@@ -35,9 +35,9 @@ jobs:
     - name: Lint with flake8
       run: |
         # stop the build if there are Python syntax errors or undefined names
-        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics --exclude=dynamo/external,external
         # 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
+        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics --exclude=dynamo/external,external
 #    - name: Test with pytest
 #      run: |
 #        pytest

.github/workflows/python-plain-run-test.yml

@@ -34,9 +34,9 @@ jobs:
     - name: Lint with flake8
       run: |
         # stop the build if there are Python syntax errors or undefined names
-        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics --exclude=dynamo/external,external
         # 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
+        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics --exclude=dynamo/external,external
 #    - name: Test with pytest
 #      run: |
 #        pytest