fix: stream generator type (#1148)

daniel-sanche · web-flow · commit 165d367c342c · 2025-12-18T16:13:00.000-08:00
Fixes #1080 🦕
diff --git a/google/cloud/firestore_v1/stream_generator.py b/google/cloud/firestore_v1/stream_generator.py
@@ -50,7 +50,7 @@ def __init__(
         self._explain_options = explain_options
         self._explain_metrics = None
 
-    def __iter__(self) -> StreamGenerator:
+    def __iter__(self) -> StreamGenerator[T]:
         return self
 
     def __next__(self) -> T:
