fix tracer typo

Author: yaozheng-fang

veadk/tracing/telemetry/opentelemetry_tracer.py

@@ -19,12 +19,11 @@
 from typing import Any
 
 from openinference.instrumentation.google_adk import GoogleADKInstrumentor
-from opentelemetry.sdk import trace as trace_sdk
 from opentelemetry import trace as trace_api
+from opentelemetry.sdk import trace as trace_sdk
 from opentelemetry.sdk.resources import Resource
 from opentelemetry.sdk.trace import TracerProvider
 from opentelemetry.sdk.trace.export import BatchSpanProcessor, SimpleSpanProcessor
-
 from pydantic import BaseModel, ConfigDict, Field
 from typing_extensions import override
 
@@ -112,7 +111,7 @@ def _init_tracer_provider(self):
 
         if not isinstance(global_tracer_provider, TracerProvider):
             logger.info(
-                f"Global tracer provider has not been set. Create tracer provider and set it now."
+                "Global tracer provider has not been set. Create tracer provider and set it now."
             )
             # 1.1 init tracer provider
             tracer_provider = trace_sdk.TracerProvider()
@@ -144,7 +143,6 @@ def _init_tracer_provider(self):
             self._processors.append(processor)
         logger.debug(f"Init OpentelemetryTracer with {len(self.exporters)} exporters.")
 
-
     @override
     def dump(
         self,