Defer default otel_resource creation in SolarWindsApmConfig.__init__

solarwinds_apm/apm_config.py

@@ -15,7 +15,7 @@
 import os
 import re
 from functools import reduce
-from typing import Any
+from typing import Any, Optional
 
 from opentelemetry.environment_variables import OTEL_PROPAGATORS
 from opentelemetry.sdk.resources import Resource
@@ -91,17 +91,20 @@ class SolarWindsApmConfig:
 
     def __init__(
         self,
-        otel_resource: Resource = Resource.create(),
+        otel_resource: Optional[Resource] = None,  # noqa: UP045
         **kwargs: int,
     ) -> None:
         """Initialize SolarWinds APM configuration.
 
         Parameters:
-        otel_resource (Resource): OpenTelemetry resource with detector attributes.
+        otel_resource (Optional[Resource]): OpenTelemetry resource with detector attributes.
             In normal usage, passed from Configurator after detector resource created.
-            Defaults to Resource.create() for backward compatibility.
+            Defaults to None; Resource.create() is called at runtime for backward compatibility.
         **kwargs (int): Additional configuration keyword arguments.
         """
+        if otel_resource is None:
+            otel_resource = Resource.create()
+
         self.__config = {}
         # Update the config with default values
         self.__config = {