update workflow

.github/workflows/python-app.yml

@@ -4,26 +4,26 @@
 name: Python application
 
 on:
-  push:
-    branches: [ "main" ]
+    push:
+        branches: [ "main" ]
 
 permissions:
-  contents: read
+    contents: read
 
 jobs:
-  build:
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v4
-    - name: Set up Python 3.10
-      uses: actions/setup-python@v4
-      with:
-        python-version: "3.10"
-    - 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
-        # 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
+    build:
+        runs-on: ubuntu-latest
 
+        steps:
+        - uses: actions/checkout@v4
+        - name: Set up Python 3.10
+          uses: actions/setup-python@v4
+          with:
+              python-version: "3.10"
+
+        - 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
+              # 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