[IPython-dev] IPython Parallel KeyError

Min RK benjaminrk at gmail.com
Mon Aug 5 04:47:25 EDT 2013

Ah yes, I bet it's a bug in the --reuse flag that's not writing the new info to the file. if that's the case, rove old connection files and it should be fine.


On Aug 5, 2013, at 0:40, Dave Hirschfeld <dave.hirschfeld at gmail.com> wrote:

> MinRK <benjaminrk <at> gmail.com> writes:
>> Sounds like a version mismatch - make sure you don't have multiple versions
> of IPython installed.  Current IPython will not write a connection file 
> without the 'key' or 'signature_scheme' keys.
>> On Sun, Aug 4, 2013 at 9:06 AM, Dave Hirschfeld <dave.hirschfeld <at>
> gmail.com> wrote:>
>> I've updated to the latest IPython and I'm now seeing a KeyError when trying
>> to instantiate a parallel Client as neither `key` nor `signature_scheme` are
>> in the `extra_args` dict.
> Pretty sure I've just got the one IPython. The connection file was written by 
> an older version of IPython than what we're running now so it sounds like I'll 
> just have to recreate them? Will give that a go...
> Thanks,
> Dave
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