Re: [Matplotlib-users] AttributeError: LineCollection instance has no attribute 'get_lines'

[Eric F. <ef...@ha...>]

John Hunter wrote:
> On 4/7/07, Eric Firing <ef...@ha...> wrote:
> 
>> I put back get_lines() in collections and fixed a related bug in legend,
>> so the test script now works in the sense that it makes a legend.  It
>> puts in an unlabeled line, presumably corresponding to the line
>> collection making up the error bars. Maybe legend provides a way to
>> avoid this.  I haven't looked.
> 
> If I'm understanding the problem you are describing correctly, it
> looks like _nolegend_ needs to be set here. For artists we do not want
> to be included in the legend, the label should be set to '_nolegend_'
> and legend will ignore it in auto-legending.  Or at least it should
> and if it is not it is a bug.

I have made more changes in svn to fix this bug.  The collection 
initializers, vlines, and hlines lacked label support, so I added it. 
errorbar() was already trying to set the line collection label to 
_nolegend_, but it was not getting passed on down the line.

Eric