diff --git a/litellm/integrations/opentelemetry.py b/litellm/integrations/opentelemetry.py
index 379c41880..d35c7f304 100644
--- a/litellm/integrations/opentelemetry.py
+++ b/litellm/integrations/opentelemetry.py
@@ -41,7 +41,7 @@ LITELLM_REQUEST_SPAN_NAME = "litellm_request"
 class OpenTelemetryConfig:
     from opentelemetry.sdk.trace.export import SpanExporter
 
-    exporter: str | SpanExporter = "console"
+    exporter: Union[str, SpanExporter] = "console"
     endpoint: Optional[str] = None
     headers: Optional[str] = None