fix: preserve ElevenLabs 0.2 voice listing

Author: osolmaz

manim_voiceover/services/elevenlabs.py

@@ -45,7 +45,8 @@ class ElevenLabsService(SpeechService):
 
     @staticmethod
     def _available_voices() -> Iterable["Voice"]:
-        available_voices = voices().voices
+        voices_response = voices()
+        available_voices = getattr(voices_response, "voices", voices_response)
         if not isinstance(available_voices, IterableABC):
             raise TypeError("ElevenLabs voices response must be iterable")
         return available_voices

tests/test_service_contracts.py

@@ -621,6 +621,15 @@ def test_elevenlabs_select_voice_warning_and_empty_voice_list(monkeypatch):
         service._select_voice("missing", None)
 
 
+def test_elevenlabs_available_voices_accepts_pinned_sdk_list_response(monkeypatch):
+    import manim_voiceover.services.elevenlabs as eleven
+
+    fake_voice = SimpleNamespace(name="Default", voice_id="voice-id")
+    monkeypatch.setattr("manim_voiceover.services.elevenlabs.voices", lambda: [fake_voice])
+
+    assert list(eleven.ElevenLabsService._available_voices()) == [fake_voice]
+
+
 def test_elevenlabs_dotenv_contract(monkeypatch):
     import manim_voiceover.services.elevenlabs as eleven