Fix Isort ci

.github/workflows/isort.yaml

@@ -1,32 +1,12 @@
-name: Isort
-on:
-  - push
-  - pull_request
+name: Run isort
+on: [push]
 
 jobs:
-  test:
+  build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - id: imports-properly-sorted
-        uses: ./
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
         with:
-          sortPaths: test/good.py
-      - name: assert-sorted-imports-return-no-output
-        run: |
-          output="${{steps.imports-properly-sorted.outputs.isort-result}}"
-          if ! [[ $output == "" ]]; then
-            exit 1
-          fi
-      - id: imports-improperly-sorted
-        uses: ./
-        with:
-          sortPaths: test/bad.py
-          configuration: --diff
-      - name: assert-improperly-sorted-imports-return-output
-        run: |
-          output="${{steps.imports-improperly-sorted.outputs.isort-result}}"
-          expected_substring="+import datetime"
-          if ! [[ $output == *"${expected_substring}"* ]]; then
-            exit 1
-          fi
+          python-version: 3.8
+      - uses: isort/isort-action@master