refactor: don't reinvent span attribute assignment

Author: keith-decker

util/opentelemetry-util-genai/src/opentelemetry/util/genai/span_utils.py

@@ -13,7 +13,7 @@
 # limitations under the License.
 
 from dataclasses import asdict
-from typing import Any, Dict, List
+from typing import List
 
 from opentelemetry.semconv._incubating.attributes import (
     gen_ai_attributes as GenAI,
@@ -106,21 +106,13 @@ def _maybe_set_span_messages(
         )
 
 
-def _set_span_extra_attributes(
-    span: Span,
-    attributes: Dict[str, Any],
-) -> None:
-    for key, value in attributes.items():
-        span.set_attribute(key, value)
-
-
 def _apply_finish_attributes(span: Span, invocation: LLMInvocation) -> None:
     """Apply attributes/messages common to finish() paths."""
     _apply_common_span_attributes(span, invocation)
     _maybe_set_span_messages(
         span, invocation.input_messages, invocation.output_messages
     )
-    _set_span_extra_attributes(span, invocation.attributes)
+    span.set_attributes(invocation.attributes)
 
 
 def _apply_error_attributes(span: Span, error: Error) -> None: