On Wed, Oct 3, 2012 at 1:02 PM, Phil Elson <pelson....@gmail.com> wrote:
> I don't get this on matplotlib/master (and therefore probably not on
> 1.2rc2).
>
> I'm pretty sure masked array line plotting was fixed at some point this
> release cycle (I cannot find the appropriate github issue to link to), so I
> suggest this is a known bug with 1.1.1 and fixed in 1.2. Just to be clear,
> I am using the TkAgg backend, and there is a remote possiblity that this
> bug is backend dependent. Is there any chance you could test this with the
> latest release candidate?
>
> Many Thanks,
>
>
This issue may be dependent upon which version of Numpy one is using. As
Eric pointed out, one should be getting an object array if you have a None
in the list. On top of that, I wouldn't be surprised if the different
backends handled this object array differently.
As far as I am concerned, using None in the list is the bug and is not only
unsupported, but should be actively discouraged. Use NaNs or masked arrays
instead.
(and to ward off the inevitable question, I would advise against explicitly
checking for object arrays because there are times when it is correct to
have such arrays, i.e., python decimal or datetime objects).
Cheers!
Ben Root
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