Use importlib.metadata

instrumentation/opentelemetry-instrumentation-fastapi/src/opentelemetry/instrumentation/fastapi/__init__.py

@@ -172,10 +172,10 @@ def client_response_hook(span: Span, scope: dict[str, Any], message: dict[str, A
 ---
 """
 import logging
+from importlib.metadata import PackageNotFoundError, distribution
 from typing import Collection
 
 import fastapi
-from pkg_resources import get_distribution
 from starlette.routing import Match
 
 from opentelemetry.instrumentation._semconv import (
@@ -285,18 +285,18 @@ def uninstrument_app(app: fastapi.FastAPI):
         app._is_instrumented_by_opentelemetry = False
 
     def instrumentation_dependencies(self) -> Collection[str]:
-        # need to use get_distribution because find_spec("fastapi") will return
+        # need to use distribution because find_spec("fastapi") will return
         # something even with just fastapi-slim installed
         try:
-            get_distribution("fastapi-slim")
+            distribution("fastapi-slim")
             return (_fastapi_slim,)
-        except Exception:  # pylint: disable=broad-exception-caught
+        except PackageNotFoundError:
             pass
 
         try:
-            get_distribution("fastapi")
+            distribution("fastapi")
             return (_fastapi,)
-        except Exception:  # pylint: disable=broad-exception-caught
+        except PackageNotFoundError:
             pass
 
         # If neither is installed, return both as potential dependencies