diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 113dbe1695f..56155898225 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,8 +1,57 @@
 name: CI
 
-on: [push, pull_request]
-
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    types: [opened, synchronize]
 jobs:
+
+  commit-lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: find the prev warning if exist
+        uses: peter-evans/find-comment@v1
+        id: fc
+        with:
+          issue-number: ${{ github.event.pull_request.number }}
+          comment-author: "github-actions[bot]"
+          body-includes: "bad commit message"
+      - name: Delete comment if exist
+        if: ${{ steps.fc.outputs.comment-id != 0 }}
+        uses: actions/github-script@v3
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            github.issues.deleteComment({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              comment_id: ${{ steps.fc.outputs.comment-id }},
+            })
+      - uses: actions/checkout@v2.5.0
+        with:
+          fetch-depth: 0
+      - run: 'echo "module.exports = {extends: [''@commitlint/config-conventional'']}" > commitlint.config.js'
+      - uses: wagoid/commitlint-github-action@v1
+        env:
+          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+      - name: if lint failed
+        if: ${{ failure() }}
+        uses: peter-evans/create-or-update-comment@v1
+        with:
+          issue-number: ${{ github.event.pull_request.number }}
+          body: |
+            Thanks for your contribution :heart:
+            :broken_heart: Unfortunately, this PR has one ore more **bad commit messages**, it can not be merged. To fix this problem, please refer to:
+            - [Commit Message Guideline for the First Time Contributor](https://github.com/jina-ai/jina/issues/553)
+            - [Contributing Guideline](https://github.com/jina-ai/jina/blob/master/CONTRIBUTING.md)
+
+            Note, other CI tests will *not* *start* until the commit messages get fixed.
+
+            This message will be deleted automatically when the commit messages get fixed.
+          reaction-type: "eyes"
+
   lint-ruff:
     runs-on: ubuntu-latest
     steps:
@@ -35,7 +84,7 @@ jobs:
           python -m pip install --upgrade pip
           python -m pip install poetry
           poetry install --only dev 
-          poetry run black .
+          poetry run black --check .
 
         env:
           CHANGED_FILES: ${{ steps.file_changes.outputs.added_modified }}
@@ -74,7 +123,7 @@ jobs:
 
 #  prep-testbed:
 #    runs-on: ubuntu-latest
-#    needs: [lint-flake-8, check-black, import-test]
+#    needs: [lint-ruff, check-black, import-test]
 #    steps:
 #      - uses: actions/checkout@v2.5.0
 #      - id: set-matrix
@@ -86,7 +135,7 @@ jobs:
 #      matrix: ${{ steps.set-matrix.outputs.matrix }}
 
   docarray-test:
-    needs: [lint-flake-8, check-black, import-test]
+    needs: [lint-ruff, check-black, import-test]
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
@@ -129,7 +178,7 @@ jobs:
 
   # just for blocking the merge until all parallel core-test are successful
   success-all-test:
-    needs: [docarray-test]
+    needs: [docarray-test, check-mypy, commit-lint]
     if: always()
     runs-on: ubuntu-latest
     steps:
diff --git a/tests/integrations/typing/tensor.py b/tests/integrations/typing/tensor.py
index 0d17207e667..880e1df65a8 100644
--- a/tests/integrations/typing/tensor.py
+++ b/tests/integrations/typing/tensor.py
@@ -1,11 +1,10 @@
 import numpy as np
 
-from docarray.typing import Tensor
 from docarray import Document
+from docarray.typing import Tensor
 
 
 def test_set_tensor():
-
     class MyDocument(Document):
         tensor: Tensor