Fix a bug in GeminiLiveLLMService where in some circumstances it wouldn't respond after a tool call

CHANGELOG.md

@@ -76,6 +76,9 @@ reason")`.
   arbitrary request data from client due to camelCase typing. This fixes data
   passthrough for JS clients where `APIRequest` is used.
 
+- Fixed a bug in `GeminiLiveLLMService` where in some circumstances it wouldn't
+  respond after a tool call.
+
 - Fixed `GeminiLiveLLMService` session resumption after a connection timeout.
 
 - `GeminiLiveLLMService` now properly supports context-provided system

src/pipecat/services/google/gemini_live/llm.py

@@ -13,8 +13,6 @@ voice transcription, streaming responses, and tool usage.
 
 import base64
 import io
-import json
-import random
 import time
 import uuid
 import warnings
@@ -1012,7 +1010,13 @@ class GeminiLiveLLMService(LLMService):
                     if part.function_response:
                         tool_call_id = part.function_response.id
                         tool_name = part.function_response.name
-                        if tool_call_id and tool_call_id not in self._completed_tool_calls:
+                        response = part.function_response.response
+                        if (
+                            tool_call_id
+                            and tool_call_id not in self._completed_tool_calls
+                            and response
+                            and response.get("value") != "IN_PROGRESS"
+                        ):
                             # Found a newly-completed function call - send the result to the service
                             if send_new_results:
                                 await self._tool_result(