Assertion error when setting up integration

[evanfoster]

Went to add integration to my install.

After submitting the address I get the following warning/error

`
Log details (WARNING)
Logger: hcalory_control.heater
Source: runner.py:154
First occurred: 6:24:27 PM (2 occurrences)
Last logged: 6:24:38 PM

Encountered unintentional disconnect from EC:B1:CB:00:05:BC.

Log details (ERROR)
Logger: aiohttp.server
Source: /usr/local/lib/python3.13/site-packages/aiohttp/web_protocol.py:451
First occurred: 6:24:32 PM (1 occurrences)
Last logged: 6:24:32 PM

Error handling request from 192.168.143.114
Traceback (most recent call last):
File "/usr/local/lib/python3.13/site-packages/aiohttp/web_protocol.py", line 480, in _handle_request
resp = await request_handler(request)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.13/site-packages/aiohttp/web_app.py", line 569, in _handle
return await handler(request)
^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.13/site-packages/aiohttp/web_middlewares.py", line 117, in impl
return await handler(request)
^^^^^^^^^^^^^^^^^^^^^^
File "/usr/src/homeassistant/homeassistant/components/http/security_filter.py", line 92, in security_filter_middleware
return await handler(request)
^^^^^^^^^^^^^^^^^^^^^^
File "/usr/src/homeassistant/homeassistant/components/http/forwarded.py", line 83, in forwarded_middleware
return await handler(request)
^^^^^^^^^^^^^^^^^^^^^^
File "/usr/src/homeassistant/homeassistant/components/http/request_context.py", line 26, in request_context_middleware
return await handler(request)
^^^^^^^^^^^^^^^^^^^^^^
File "/usr/src/homeassistant/homeassistant/components/http/ban.py", line 86, in ban_middleware
return await handler(request)
^^^^^^^^^^^^^^^^^^^^^^
File "/usr/src/homeassistant/homeassistant/components/http/auth.py", line 242, in auth_middleware
return await handler(request)
^^^^^^^^^^^^^^^^^^^^^^
File "/usr/src/homeassistant/homeassistant/components/http/headers.py", line 32, in headers_middleware
response = await handler(request)
^^^^^^^^^^^^^^^^^^^^^^
File "/usr/src/homeassistant/homeassistant/helpers/http.py", line 73, in handle
result = await handler(request, **request.match_info)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/src/homeassistant/homeassistant/components/http/decorators.py", line 81, in with_admin
return await func(self, request, *args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/src/homeassistant/homeassistant/components/config/config_entries.py", line 222, in post
return await super().post(request, flow_id)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/src/homeassistant/homeassistant/components/http/data_validator.py", line 74, in wrapper
return await method(view, request, data, *args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/src/homeassistant/homeassistant/helpers/data_entry_flow.py", line 121, in post
result = await self._flow_mgr.async_configure(flow_id, data)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/src/homeassistant/homeassistant/data_entry_flow.py", line 340, in async_configure
result = await self._async_configure(flow_id, user_input)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/src/homeassistant/homeassistant/data_entry_flow.py", line 387, in _async_configure
result = await self._async_handle_step(
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
flow, cur_step["step_id"], user_input
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
)
^
File "/usr/src/homeassistant/homeassistant/data_entry_flow.py", line 490, in _async_handle_step
result: _FlowResultT = await getattr(flow, method)(user_input)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/config/custom_components/hcalory_ble/config_flow.py", line 107, in async_step_user
return await self.async_step_confirm()
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/config/custom_components/hcalory_ble/config_flow.py", line 75, in async_step_confirm
await heater.get_data()
File "/usr/local/lib/python3.13/site-packages/hcalory_control/heater.py", line 295, in get_data
await self.send_command(Command.pump_data)
File "/usr/local/lib/python3.13/site-packages/hcalory_control/heater.py", line 312, in send_command
await self._ensure_connection(f"Sending command {command.name}")
File "/usr/local/lib/python3.13/site-packages/hcalory_control/heater.py", line 247, in _ensure_connection
self.read_characteristic, self.data_pump_handler
^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.13/site-packages/hcalory_control/heater.py", line 263, in read_characteristic
assert read_characteristic is not None
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError
`

Originally posted by @mylarhomestead in #2

[Jimmy062006]

Can second this.

[evanfoster]

Been dealing with a migraine all day, but let me see if I can fix this tomorrow.

[Jimmy062006]

2025-02-16 22:03:43.976 ERROR (MainThread) [aiohttp.server] Error handling request from 127.0.0.1
Traceback (most recent call last):
  File "/usr/local/lib/python3.13/site-packages/aiohttp/web_protocol.py", line 480, in _handle_request
    resp = await request_handler(request)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.13/site-packages/aiohttp/web_app.py", line 569, in _handle
    return await handler(request)
           ^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.13/site-packages/aiohttp/web_middlewares.py", line 117, in impl
    return await handler(request)
           ^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/src/homeassistant/homeassistant/components/http/security_filter.py", line 92, in security_filter_middleware
    return await handler(request)
           ^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/src/homeassistant/homeassistant/components/http/forwarded.py", line 77, in forwarded_middleware
    return await handler(request)
           ^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/src/homeassistant/homeassistant/components/http/request_context.py", line 26, in request_context_middleware
    return await handler(request)
           ^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/src/homeassistant/homeassistant/components/http/ban.py", line 86, in ban_middleware
    return await handler(request)
           ^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/src/homeassistant/homeassistant/components/http/auth.py", line 242, in auth_middleware
    return await handler(request)
           ^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/src/homeassistant/homeassistant/components/http/headers.py", line 32, in headers_middleware
    response = await handler(request)
               ^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/src/homeassistant/homeassistant/helpers/http.py", line 73, in handle
    result = await handler(request, **request.match_info)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/src/homeassistant/homeassistant/components/http/decorators.py", line 81, in with_admin
    return await func(self, request, *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/src/homeassistant/homeassistant/components/config/config_entries.py", line 222, in post
    return await super().post(request, flow_id)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/src/homeassistant/homeassistant/components/http/data_validator.py", line 74, in wrapper
    return await method(view, request, data, *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/src/homeassistant/homeassistant/helpers/data_entry_flow.py", line 121, in post
    result = await self._flow_mgr.async_configure(flow_id, data)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/src/homeassistant/homeassistant/data_entry_flow.py", line 340, in async_configure
    result = await self._async_configure(flow_id, user_input)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/src/homeassistant/homeassistant/data_entry_flow.py", line 387, in _async_configure
    result = await self._async_handle_step(
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
        flow, cur_step["step_id"], user_input
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^
  File "/usr/src/homeassistant/homeassistant/data_entry_flow.py", line 490, in _async_handle_step
    result: _FlowResultT = await getattr(flow, method)(user_input)
                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/config/custom_components/hcalory_ble/config_flow.py", line 107, in async_step_user
    return await self.async_step_confirm()
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/config/custom_components/hcalory_ble/config_flow.py", line 75, in async_step_confirm
    await heater.get_data()
  File "/usr/local/lib/python3.13/site-packages/hcalory_control/heater.py", line 296, in get_data
    await self.send_command(Command.pump_data)
  File "/usr/local/lib/python3.13/site-packages/hcalory_control/heater.py", line 313, in send_command
    await self._ensure_connection(f"Sending command {command.name}")
  File "/usr/local/lib/python3.13/site-packages/hcalory_control/heater.py", line 247, in _ensure_connection
    self.read_characteristic, self.data_pump_handler
    ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.13/site-packages/hcalory_control/heater.py", line 263, in read_characteristic
    print(f"read_characteristic: {self.read_characteristic}")
                                  ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.13/site-packages/hcalory_control/heater.py", line 263, in read_characteristic
    print(f"read_characteristic: {self.read_characteristic}")
                                  ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.13/site-packages/hcalory_control/heater.py", line 263, in read_characteristic
    print(f"read_characteristic: {self.read_characteristic}")
                                  ^^^^^^^^^^^^^^^^^^^^^^^^
  [Previous line repeated 963 more times]
  File "/usr/local/lib/python3.13/site-packages/hcalory_control/heater.py", line 260, in read_characteristic
    read_characteristic = self.bleak_client.services.get_characteristic(
        self.read_characteristic_id
    )
  File "/usr/local/lib/python3.13/site-packages/bleak/backends/service.py", line 179, in get_characteristic
    uuid = normalize_uuid_str(str(specifier))
  File "/usr/local/lib/python3.13/site-packages/bleak/uuids.py", line 1240, in normalize_uuid_str
    return str(UUID(uuid))
               ~~~~^^^^^^
RecursionError: maximum recursion depth exceeded

Looks like a max recursion issue Infinite loop with Bleak, I made a debug version for hcalory-control and ble

[Jimmy062006]

I've never debugged a home assistant plugin though so take that with a pinch of salt :D