Configure pre commit hooks in CI (#106)

* Add pre-commit ci hooks

* Resolve double quotes string linting issue

.github/workflows/pre-commit.yml

@@ -0,0 +1,26 @@
+name: Pre-commit CI
+
+on: [push, pull_request]
+
+jobs:
+  pre-commit:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v3
+
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: '3.10' 
+
+    - name: Install dependencies
+      run: pip install -r requirements.txt
+
+    # This will configure the pre-commit hooks in
+    # '.pre-commit-config.yaml' file.
+    - name: Configure pre-commit
+      run: pre-commit install
+
+    - name: Run pre-commit hooks
+      run: pre-commit run --all-files

create_db.py

@@ -126,9 +126,9 @@ def __init__(self, message):
         crawler.close()
         if not relations_count_new > relations_count:
             error_message = (
-                f"Unexpected relation count change in the crawler '{name}': "
-                f"Expected new relations ({relations_count_new}) "
-                f"to be greater than the previous relations ({relations_count})."
+                f'Unexpected relation count change in the crawler "{name}": '
+                f'Expected new relations ({relations_count_new}) '
+                f'to be greater than the previous relations ({relations_count}).'
             )
             raise RelationCountError(error_message)
         status[module_name] = 'OK'