[Asterisk-code-review] Fixes to various issues reported by pyflakes (asterisk[master])

[Joshua Colp]

Joshua Colp has removed a vote on this change.

Change subject: Fixes to various issues reported by pyflakes
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Removed Code-Review+1 by Joshua Colp <jcolp at digium.com>

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Gerrit-MessageType: deleteVote
Gerrit-Change-Id: Ia35c5ac61751b927814cf693994c632c412386ea
Gerrit-PatchSet: 1
Gerrit-Project: asterisk
Gerrit-Branch: master
Gerrit-Owner: Tzafrir Cohen <tzafrir.cohen at xorcom.com>
Gerrit-Reviewer: Anonymous Coward #1000019
Gerrit-Reviewer: Joshua Colp <jcolp at digium.com>
Gerrit-Reviewer: Richard Mudgett <rmudgett at digium.com>