ignore the typecheck as its failing only on 3.9

Author: nagkumar91

instrumentation-genai/opentelemetry-instrumentation-langchain-v2/src/opentelemetry/instrumentation/langchain/__init__.py

@@ -140,7 +140,7 @@ def _instrument(self, **kwargs: Any):
         otel_callback_handler = OpenTelemetryLangChainCallbackHandler(
             tracer=tracer,
             capture_messages=capture_messages,
-        )
+        )  # pyright: ignore[reportAbstractUsage]
 
         wrap_function_wrapper(
             module="langchain_core.callbacks",