run flake8

.github/workflows/main.yaml

@@ -7,7 +7,6 @@ on:
     branches: ["main"]
 
 jobs:
-  
   test:
     steps:
       - name: Checkout repository
@@ -15,3 +14,10 @@ jobs:
 
       - name: Run tests
         run: python3 test_main.py
+
+      - name: setup pyflake8
+        run: |
+          python -m pip install flake8
+
+      - name: run pyflake8
+        run: flake8 .