[tahoe-lafs-trac-stream] [Tahoe-LAFS] #2762: "UndefinedEnvironmentName" error with setuptools-20.6

[Tahoe-LAFS]

#2762: "UndefinedEnvironmentName" error with setuptools-20.6
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     Reporter:  warner     |      Owner:
         Type:  defect     |     Status:  closed
     Priority:  critical   |  Milestone:  soon (release n/a)
    Component:  packaging  |    Version:  1.11.0
   Resolution:  fixed      |   Keywords:
Launchpad Bug:             |
---------------------------+--------------------------------
Changes (by warner):

 * priority:  major => critical
 * status:  new => closed
 * resolution:   => fixed
 * milestone:  undecided => soon (release n/a)


Comment:

 Setuptools-20.6.7 has fixed the problem (they reverted the change that
 triggered it, and will try again in some later release). So a newly-
 upgraded virtualenv ought to be ok now.

 They've removed almost all of the broken versions from pypi: it is still
 possible to install 20.6.6 (which breaks for me), but 20.5 and
 20.6.0-20.6.5 are no longer on pypi (which also means I can't easily test
 them to identify exactly which ones were broken).

 So: if you see this problem, do a `pip install --upgrade setuptools`. If
 the problem persists and `pip list` reports a setuptools of 20.6.7 or
 later, please re-open this ticket and give us the details.

--
Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2762#comment:1>
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