I have integration problem Solarman. Failed to load configuration interface: {"message":"Invalid handler specified"}

[tomasz777]

Hi,

I need help with integration. Do you know how to solve it? I will be grateful for your help..

Errors that appear:

Failed to load configuration interface: {"message":"Invalid handler specified"}

Error occurred loading flow for integration solarman: Exception importing custom_components.solarman.config_flow
Logger: homeassistant.config_entries
Source: config_entries.py:2087
First occurred: 10:01:14 (3 occurrences)
Last logged: 10:06:34

Error occurred loading flow for integration solarman: Exception importing custom_components.solarman.config_flow

Unexpected exception importing platform custom_components.solarman.sensor
Logger: homeassistant.loader
Source: loader.py:842
First occurred: 09:59:49 (4 occurrences)
Last logged: 10:06:34

Unexpected exception importing platform custom_components.solarman.sensor
Unexpected exception importing platform custom_components.solarman.config_flow
Traceback (most recent call last):
File "/usr/src/homeassistant/homeassistant/loader.py", line 842, in get_platform
cache[full_name] = self._import_platform(platform_name)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/src/homeassistant/homeassistant/loader.py", line 859, in _import_platform
return importlib.import_module(f"{self.pkg_path}.{platform_name}")
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/importlib/init.py", line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "", line 1204, in _gcd_import
File "", line 1176, in _find_and_load
File "", line 1126, in _find_and_load_unlocked
File "", line 241, in _call_with_frames_removed
File "", line 1204, in _gcd_import
File "", line 1176, in _find_and_load
File "", line 1147, in _find_and_load_unlocked
File "", line 690, in _load_unlocked
File "", line 940, in exec_module
File "", line 241, in _call_with_frames_removed
File "/config/custom_components/solarman/init.py", line 9, in
from .const import *
File "/config/custom_components/solarman/const.py", line 9, in
LOOKUP_FILES = (os.listdir(os.path.dirname(file) + '/inverter_definitions'))
^^
NameError: name 'os' is not defined