Unreliable performance of tts.piper since 2025.8.x #149870
Description
The problem
hello,
Since updating to 2025.8.x, I've noticed my tts.piper is not working well, or at all.
First, I have several tts.speak action in my automations, for example:
action: tts.speak
target:
entity_id:
- tts.piper
data:
cache: false
message: "hello hello hello hello "
media_player_entity_id: media_player.fire_tablet
None of these work, and there is no error messsage in the logs, but there are logs in piper:
ERROR:asyncio:Task exception was never retrieved
future: <Task finished name='wyoming event handler' coro=<AsyncEventHandler.run() done, defined at /usr/local/lib/python3.11/dist-packages/wyoming/server.py:31> exception=AttributeError("'NoneType' object has no attribute 'get'")>
Traceback (most recent call last):
File "/usr/local/lib/python3.11/dist-packages/wyoming/server.py", line 41, in run
if not (await self.handle_event(event)):
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/dist-packages/wyoming_piper/handler.py", line 112, in handle_event
raise err
File "/usr/local/lib/python3.11/dist-packages/wyoming_piper/handler.py", line 73, in handle_event
stream_start = SynthesizeStart.from_event(event)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/dist-packages/wyoming/tts.py", line 121, in from_event
context=event.data.get("context"),
^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'get'
ERROR:asyncio:Task exception was never retrieved
future: <Task finished name='wyoming event handler' coro=<AsyncEventHandler.run() done, defined at /usr/local/lib/python3.11/dist-packages/wyoming/server.py:31> exception=AttributeError("'NoneType' object has no attribute 'get'")>
Traceback (most recent call last):
File "/usr/local/lib/python3.11/dist-packages/wyoming/server.py", line 41, in run
if not (await self.handle_event(event)):
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/dist-packages/wyoming_piper/handler.py", line 112, in handle_event
raise err
File "/usr/local/lib/python3.11/dist-packages/wyoming_piper/handler.py", line 73, in handle_event
stream_start = SynthesizeStart.from_event(event)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/dist-packages/wyoming/tts.py", line 121, in from_event
context=event.data.get("context"),
^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'get'
When I switch to HA Cloud TTS, it works
even if I add the voice ID, it works but not on repeated attempts, and in most case it ignores the first few wors of the text.
Happy to add more information.
What version of Home Assistant Core has the issue?
2025.8.x
What was the last working version of Home Assistant Core?
2025.7.x
What type of installation are you running?
Home Assistant OS
Integration causing the issue
piper
Link to integration documentation on our website
https://www.home-assistant.io/integrations/piper/
Diagnostics information
No response
Example YAML snippet
Anything in the logs that might be useful for us?
Additional information
No response