Fix issue parsing color effect None in flux_led

[brianegge]

Proposed change

Fix import of yaml config when there is no custom effect

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)
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Additional information

• This PR fixes or closes issue: fixes # CONF_CUSTOM_EFFECT_COLORS not defaulted to [] Danielhiversen/flux_led#134
• This PR is related to issue:
• Link to documentation pull request:

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[probot-home-assistant]

Hey there @icemanch, mind taking a look at this pull request as it has been labeled with an integration (flux_led) you are listed as a code owner for? Thanks!
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[bdraco]

Thanks for this. Small suggestion above to avoid the problem from happening in the import

[bdraco]

Thanks for noticing this and fixing before we released 👍