🚨(back) update code linting with ruff

Apply new rules provided with ruff version v0.9.3

src/backend/core/tests/commands/test_update_files_content_type_metadata.py

@@ -42,9 +42,9 @@ def test_update_files_content_type_metadata():
 
     for key in keys:
         head_resp = s3_client.head_object(Bucket=bucket_name, Key=key)
-        assert (
-            head_resp["ContentType"] == "image/png"
-        ), f"ContentType not fixed, got {head_resp['ContentType']!r}"
+        assert head_resp["ContentType"] == "image/png", (
+            f"ContentType not fixed, got {head_resp['ContentType']!r}"
+        )
 
         # Check that original metadata was preserved
         assert head_resp["Metadata"].get("owner") == "None"

src/backend/core/tests/templates/test_api_templates_list.py

@@ -187,9 +187,9 @@ def test_api_templates_list_order_default():
     response_template_ids = [template["id"] for template in response_data["results"]]
 
     template_ids.reverse()
-    assert (
-        response_template_ids == template_ids
-    ), "created_at values are not sorted from newest to oldest"
+    assert response_template_ids == template_ids, (
+        "created_at values are not sorted from newest to oldest"
+    )
 
 
 def test_api_templates_list_order_param():
@@ -215,6 +215,6 @@ def test_api_templates_list_order_param():
 
     response_template_ids = [template["id"] for template in response_data["results"]]
 
-    assert (
-        response_template_ids == templates_ids
-    ), "created_at values are not sorted from oldest to newest"
+    assert response_template_ids == templates_ids, (
+        "created_at values are not sorted from oldest to newest"
+    )

src/backend/core/tests/test_services_collaboration_services.py

@@ -55,9 +55,9 @@ def mock_reset_connections(settings):
             )
             yield
 
-            assert (
-                len(rsps.calls) == 1
-            ), "Expected one call to reset-connections endpoint"
+            assert len(rsps.calls) == 1, (
+                "Expected one call to reset-connections endpoint"
+            )
             request = rsps.calls[0].request
             assert request.url == endpoint_url, f"Unexpected URL called: {request.url}"
             assert (
@@ -66,9 +66,9 @@ def mock_reset_connections(settings):
             ), "Incorrect Authorization header"
 
             if user_id:
-                assert (
-                    request.headers.get("X-User-Id") == user_id
-                ), "Incorrect X-User-Id header"
+                assert request.headers.get("X-User-Id") == user_id, (
+                    "Incorrect X-User-Id header"
+                )
 
     return _mock_reset_connections