sorted imports using isort and tried to add pre-commit hook for isort

.github/workflows/lint.yml

@@ -0,0 +1,14 @@
+name: Lint
+
+on: [push]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Run isort
+        - uses: actions/checkout@v3
+        - uses: isort/isort-action@v1
+      - name: Run black
+        - uses: actions/checkout@v3
+        - uses: psf/black@stable