Add to CI

.github/workflows/server_tests.yaml

@@ -25,19 +25,11 @@ jobs:
         uses: actions/setup-python@v1
         with:
           python-version: "3.10"
-      - name: Get changed files
-        id: changed_files
-        run: |
-          echo "files=$(git diff --name-only --diff-filter=ACMRT ${{ github.event.pull_request.base.sha }} ${{ github.sha }} | grep -E '*.py$' | tr '\n' ' ')"
-          echo "files=$(git diff --name-only --diff-filter=ACMRT ${{ github.event.pull_request.base.sha }} ${{ github.sha }} | grep -E '*.py$' | tr '\n' ' ')" >> $GITHUB_OUTPUT
 
-      # TODO(travis): reenable after running this on the entire codebase
-      # - name: Run flake8 on changed files
-      #   if: steps.changed_files.outputs.files != ''
-      #   run: |
-      #     pip install flake8
-      #     echo running linter on: ${{ steps.changed_files.outputs.files }}
-      #     flake8 ${{ steps.changed_files.outputs.files }}
+      - name: Run black fmt
+        run: |
+          pip install black
+          python -m black --check server/lorax_server
 
       - name: Install Protoc
         uses: arduino/setup-protoc@v1