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Fix vizio bug to use 'get' to get volume_step since it is optional #32151

merged 2 commits into from Feb 24, 2020


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raman325 commented Feb 24, 2020

Proposed change

Tediore in Discord reported the following bug:

2020-02-22 21:44:37 ERROR (MainThread) [homeassistant.core] Error doing job: Task exception was never retrieved
Traceback (most recent call last):
  File "/usr/src/homeassistant/homeassistant/", line 109, in async_init
    result = await self._async_handle_step(flow, flow.init_step, data)
  File "/usr/src/homeassistant/homeassistant/", line 172, in _async_handle_step
    result: Dict = await getattr(flow, method)(user_input)
  File "/usr/src/homeassistant/homeassistant/components/vizio/", line 180, in async_step_import
    if[CONF_VOLUME_STEP] != import_config[CONF_VOLUME_STEP]:
KeyError: 'volume_step'

This is happening because volume_step is optional but the code assumes that it always exists. This change prevents that error from occurring by using get and providing a default volume_step when none is provided

Type of change

  • Dependency upgrade
  • Bugfix (non-breaking change which fixes an issue)
  • New integration (thank you!)
  • New feature (which adds functionality to an existing integration)
  • Breaking change (fix/feature causing existing functionality to break)
  • Code quality improvements to existing code or addition of tests


  • The code change is tested and works locally.
  • Local tests pass. Your PR cannot be merged unless tests pass
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@project-bot project-bot bot added this to Needs review in Dev Feb 24, 2020
@project-bot project-bot bot moved this from Needs review to By Code Owner in Dev Feb 24, 2020

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@@          Coverage Diff           @@
##             dev   #32151   +/-   ##
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springstan left a comment

Looks good 馃憤 should we include this in the beta?

Dev automation moved this from By Code Owner to Reviewer approved Feb 24, 2020

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raman325 commented Feb 24, 2020

That would be great

@springstan springstan added this to the 0.106.0 milestone Feb 24, 2020
@springstan springstan merged commit 309989b into home-assistant:dev Feb 24, 2020
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Dev automation moved this from Reviewer approved to Done Feb 24, 2020
@raman325 raman325 deleted the raman325:vizio_bug_fix branch Feb 25, 2020
@raman325 raman325 mentioned this pull request Feb 25, 2020
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balloob added a commit that referenced this pull request Feb 25, 2020

* use get to get volume_step since it is optional

* always set volume_step to default in options and data if its not included
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