[jira] [Assigned] (PROTON-2563) local variable 'context' referenced before assignment

["Andrew Stitcher (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PROTON-2563?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Stitcher reassigned PROTON-2563:
---------------------------------------

    Assignee: Andrew Stitcher

> local variable 'context' referenced before assignment
> -----------------------------------------------------
>
>                 Key: PROTON-2563
>                 URL: https://issues.apache.org/jira/browse/PROTON-2563
>             Project: Qpid Proton
>          Issue Type: Bug
>          Components: python-binding
>            Reporter: Daniel Mewes
>            Assignee: Andrew Stitcher
>            Priority: Major
>
> We're intermittently getting the following Python exception from qpid-proton:
> UnboundLocalError: local variable 'context' referenced before assignment
> The exception is raised in this line [https://github.com/apache/qpid-proton/blob/0.37.0/python/proton/_events.py#L419] :
> {code:java}
> event = Event(impl, number, clsname, context) {code}
> Looking at that code, there appears to be a clear bug in that the `context` local variable is only set in the `if cls` branch, but not in the `else` branch above.
> Presumably, context should at least be set to `None` in the else branch to avoid this exception?



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