ci: make ci happy lint the code, delete unused imports

Signed-off-by: yihong0618 <zouzou0208@gmail.com>

.github/workflows/pylint.yml

@@ -1,6 +1,15 @@
 name: Pylint
 
-on: [push]
+on:
+  push:
+    branches: [ make_ci_happy ]
+  pull_request:
+    branches: [ main ]
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.event.number || github.run_id }}
+  cancel-in-progress: true
 
 jobs:
   build:
@@ -17,7 +26,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install pylint
-    - name: Analysing the code with pylint
+        pip install -U black isort
+    - name: check the code lint
       run: |
-        pylint $(git ls-files '*.py')
+        black . --check