update setup pyflake8

.github/workflows/main.yaml

@@ -14,12 +14,12 @@ jobs:
 
       - name: Run tests
         run: |
-          apt update
           python3 test_main.py
 
       - name: setup pyflake8
         run: |
+          apt update
           apt install python3-flake8 -y
 
-      - name: run pyflake8
+      - name: run flake8
         run: flake8 .