Help me diagnose this error in my log

Configuration
1

I get this from time to time showing up in my home-assistant.log file. Can’t seem to see any pattern. Can anyone help me try to figure out if this is a bug or caused by something in my config? If it is my config (which I suspect), how can I figure out where my error is coming fromm?

2019-11-21 22:35:27 ERROR (MainThread) [homeassistant.core] Error doing job: Task exception was never retrieved
Traceback (most recent call last):
  File "/srv/hass-3.8/lib/python3.8/site-packages/homeassistant/components/automation/__init__.py", line 298, in async_trigger
    if not skip_condition and not self._cond_func(variables):
  File "/srv/hass-3.8/lib/python3.8/site-packages/homeassistant/components/automation/__init__.py", line 460, in if_action
    return all(check(hass, variables) for check in checks)
  File "/srv/hass-3.8/lib/python3.8/site-packages/homeassistant/components/automation/__init__.py", line 460, in <genexpr>
    return all(check(hass, variables) for check in checks)
  File "/srv/hass-3.8/lib/python3.8/site-packages/homeassistant/helpers/condition.py", line 387, in template_if
    return async_template(hass, value_template, variables)
  File "/srv/hass-3.8/lib/python3.8/site-packages/homeassistant/helpers/condition.py", line 367, in async_template
    value = value_template.async_render(variables)
  File "/srv/hass-3.8/lib/python3.8/site-packages/homeassistant/helpers/template.py", line 220, in async_render
    return compiled.render(kwargs).strip()
  File "/srv/hass-3.8/lib/python3.8/site-packages/jinja2/asyncsupport.py", line 76, in render
    return original_render(self, *args, **kwargs)
  File "/srv/hass-3.8/lib/python3.8/site-packages/jinja2/environment.py", line 1008, in render
    return self.environment.handle_exception(exc_info, True)
  File "/srv/hass-3.8/lib/python3.8/site-packages/jinja2/environment.py", line 780, in handle_exception
    reraise(exc_type, exc_value, tb)
  File "/srv/hass-3.8/lib/python3.8/site-packages/jinja2/_compat.py", line 37, in reraise
    raise value.with_traceback(tb)
  File "<template>", line 2, in <module>
  File "/srv/hass-3.8/lib/python3.8/site-packages/jinja2/sandbox.py", line 440, in call
    return __context.call(__obj, *args, **kwargs)
TypeError: 'bool' object is not callable```
2

If it is your config, I’d start by checking your service templates for the possibility that they evaluate to something that is not a service.

Also maybe try increasing the default log level for more info. Don’t forget to set it back afterwards though. It can be quite chatty and not good for SD cards.

3

That definitely helped. I was able to narrow down the error to a state change in one of my media_player entities. Then I had to track down everywhere I was using that in a template, and I finally found a logic error where I had neglected to put an ‘and’ between two boolean statements. It was not easy to see!

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