fix circular import

Author: Andrei Bratu

src/humanloop/overload.py

@@ -4,7 +4,6 @@
 from typing import Any, Callable, Dict, Optional, TypeVar, Union
 
 from humanloop.agents.client import AgentsClient
-from humanloop.client import ExtendedPromptsClient
 from humanloop.context import (
     get_decorator_context,
     get_evaluation_context,
@@ -188,7 +187,7 @@ def _overload_call(self: Any, sync_client: Optional[SyncClient], use_local_files
     "ClientTemplateType",
     bound=Union[
         FlowsClient,
-        ExtendedPromptsClient,
+        PromptsClient,
         AgentsClient,
         ToolsClient,
     ],