[Buildbot] #3208: setupShellMixin throws exception about dictionary changed size for unknown argument

[Buildbot trac]

#3208: setupShellMixin throws exception about dictionary changed size for unknown
argument
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Reporter:  vlovich  |       Owner:
    Type:  defect   |      Status:  new
Priority:  major    |   Milestone:  undecided
 Version:  0.8.10   |  Resolution:
Keywords:           |
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Comment (by vlovich):

 The relevant code:

 {{{
     for arg in constructorArgs:
         if arg not in BuildStep.parms:
             bad(arg)
             del constructorArgs[arg]
 }}}

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Ticket URL: <http://trac.buildbot.net/ticket/3208#comment:1>
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