fixed lint

Author: daniel-sanche

packages/google-api-core/google/api_core/gapic_v1/method.py

@@ -77,6 +77,7 @@ def _deduplicate_metadata_tokens(*headers: str) -> str:
     # Deduplicate while preserving order
     return " ".join(dict.fromkeys(token_list))
 
+
 def _extract_metrics_header(metadata) -> Tuple[str, List[Tuple[str, str]]]:
     """Extract x-google-api-client header from metadata list.
 
@@ -172,11 +173,11 @@ def __call__(
             final_metadata = list(self._static_metadata)
             user_x_goog, remaining = _extract_metrics_header(user_metadata)
 
-            merged_header = _deduplicate_metadata_tokens(self._x_goog_api_client, user_x_goog)
+            merged_header = _deduplicate_metadata_tokens(
+                self._x_goog_api_client, user_x_goog
+            )
             if merged_header:
-                final_metadata.append(
-                    (client_info.METRICS_METADATA_KEY, merged_header)
-                )
+                final_metadata.append((client_info.METRICS_METADATA_KEY, merged_header))
             final_metadata.extend(remaining)
             kwargs["metadata"] = final_metadata
         elif self._default_metadata:

packages/google-api-core/tests/unit/gapic/test_method.py

@@ -126,9 +126,11 @@ def test_extract_metrics_header_duplicate_tokens():
         ("other-header", "value"),
         ("x-goog-api-client", "token4 token2"),
     ]
-    
-    metric_str, arbitrary_metadata = google.api_core.gapic_v1.method._extract_metrics_header(metadata)
-    
+
+    metric_str, arbitrary_metadata = (
+        google.api_core.gapic_v1.method._extract_metrics_header(metadata)
+    )
+
     # Should maintain order of first appearance and eliminate duplicates
     assert metric_str == "token1 token2 token3 token4"
     assert arbitrary_metadata == [("other-header", "value")]
@@ -155,7 +157,10 @@ def test_invoke_wrapped_method_with_duplicate_x_goog_api_client_metadata():
         mock.sentinel.request,
         metadata=[
             ("x-goog-api-client", "override-client/2.0"),
-            ("x-goog-api-client", "override-client/2.0 grpc/1.76.0 custom-user-agent/1.0"),
+            (
+                "x-goog-api-client",
+                "override-client/2.0 grpc/1.76.0 custom-user-agent/1.0",
+            ),
             ("other-header", "value"),
         ],
     )