Integration does not start in HA 2026.3.3

[lufetico]

Hi there,

I recently updated my HA from version 2026.3.2 to 2026.3.3 and the integration won't start.

Log:

Logger: homeassistant.setup
Source: setup.py:343
First occurred: 07:59:16 (1 occurrence)
Last logged: 07:59:16

Setup failed for custom integration 'daikin_altherma': Unable to import component: No module named 'pyaltherma'
Traceback (most recent call last):
File "/usr/src/homeassistant/homeassistant/setup.py", line 343, in _async_setup_component
component = await integration.async_get_component()
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/src/homeassistant/homeassistant/loader.py", line 1043, in async_get_component
self._component_future.result()
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
File "/usr/src/homeassistant/homeassistant/loader.py", line 1023, in async_get_component
comp = await self.hass.async_add_import_executor_job(
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
self._get_component, True
^^^^^^^^^^^^^^^^^^^^^^^^^
)
^
File "/usr/local/lib/python3.14/concurrent/futures/thread.py", line 86, in run
result = ctx.run(self.task)
File "/usr/local/lib/python3.14/concurrent/futures/thread.py", line 73, in run
return fn(*args, **kwargs)
File "/usr/src/homeassistant/homeassistant/loader.py", line 1083, in _get_component
ComponentProtocol, importlib.import_module(self.pkg_path)
~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^
File "/usr/src/homeassistant/homeassistant/util/loop.py", line 201, in protected_loop_func
return func(*args, **kwargs)
File "/usr/local/lib/python3.14/importlib/init.py", line 88, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "", line 1398, in _gcd_import
File "", line 1371, in _find_and_load
File "", line 1342, in _find_and_load_unlocked
File "", line 938, in _load_unlocked
File "", line 759, in exec_module
File "", line 491, in _call_with_frames_removed
File "/config/custom_components/daikin_altherma/init.py", line 18, in
from pyaltherma.comm import DaikinWSConnection
ModuleNotFoundError: No module named 'pyaltherma'