diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index bdcab8f23..087929806 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -1,12 +1,15 @@
 name: Lint
 
-on:
+on: 
   push:
     paths:
       - '*.py'
+  pull_request:
+    paths:
+      - '*.py'
 
 jobs:
-  flake8_py3:
+  format_and_lint:
     runs-on: ubuntu-latest
     steps:
       - name: Setup Python
@@ -16,7 +19,11 @@ jobs:
           architecture: x64
       - name: Checkout PyTorch
         uses: actions/checkout@master
-      - name: Python Pylin GitHub Action
+      - name: Run Black
+        uses: psf/black@stable
+        with:
+          options: "--check --verbose --line-length=120"
+      - name: Python Pylint GitHub Action
         uses: vcoder4c/git_pylint@v3
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
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