fix: Fix google.auth.transport.requests import error in Live API

PiperOrigin-RevId: 838758702

Author: sararob

google/genai/live.py

@@ -50,6 +50,11 @@
   from websockets.client import ClientConnection  # type: ignore
   from websockets.client import connect as ws_connect  # type: ignore
 
+try:
+  from google.auth.transport import requests
+except ImportError:
+  requests = None  # type: ignore[assignment]
+
 if typing.TYPE_CHECKING:
   from mcp import ClientSession as McpClientSession
   from mcp.types import Tool as McpTool
@@ -1027,7 +1032,9 @@ async def connect(
         # creds.valid is False, and creds.token is None
         # Need to refresh credentials to populate those
         if not (creds.token and creds.valid):
-          auth_req = google.auth.transport.requests.Request()  # type: ignore
+          if requests is None:
+            raise ValueError('The requests module is required to refresh google-auth credentials. Please install with `pip install google-auth[requests]`')
+          auth_req = requests.Request()  # type: ignore
           creds.refresh(auth_req)
         bearer_token = creds.token
 

pyproject.toml

@@ -26,7 +26,7 @@ classifiers = [
 ]
 dependencies = [
     "anyio>=4.8.0, <5.0.0",
-    "google-auth>=2.14.1, <3.0.0",
+    "google-auth[requests]>=2.14.1, <3.0.0",
     "httpx>=0.28.1, <1.0.0",
     "pydantic>=2.9.0, <3.0.0",
     "requests>=2.28.1, <3.0.0",