Does this pull request:
https://github.com/matplotlib/matplotlib/pull/1697
fix your issue? I have no way of knowing without a test case...
Mike
On 01/22/2013 08:33 AM, Massimiliano Costacurta wrote:
Hello everyone,
in my program I'm encountering an error when calling the function
axes.set_xticks (Matplotlib 1.2.0 on python 2.7-64 bit). It is really
difficult for me to build a test case, because my program is really
complex. Here is the error traceback:
File "C:\Python27\Lib\site-packages\matplotlib\axes.py", line 2596, in
set_xticks
return self.xaxis.set_ticks(ticks, minor=minor)
File "C:\Python27\Lib\site-packages\matplotlib\axis.py", line 1489, in
set_ticks
self.set_view_interval(min(ticks), max(ticks))
File "C:\Python27\Lib\site-packages\matplotlib\axis.py", line 1771, in
set_view_interval
max(vmin, vmax, Vmax))
File "C:\Python27\Lib\site-packages\matplotlib\transforms.py", line
932, in _set_intervalx
self.invalidate()
File "C:\Python27\Lib\site-packages\matplotlib\transforms.py", line
131, in invalidate
return self._invalidate_internal(value, invalidating_node=self)
File "C:\Python27\Lib\site-packages\matplotlib\transforms.py", line
155, in _invalidate_internal
invalidating_node=self)
File "C:\Python27\Lib\site-packages\matplotlib\transforms.py", line
155, in _invalidate_internal
invalidating_node=self)
File "C:\Python27\Lib\site-packages\matplotlib\transforms.py", line
155, in _invalidate_internal
invalidating_node=self)
File "C:\Python27\Lib\site-packages\matplotlib\transforms.py", line
2141, in _invalidate_internal
invalidating_node=invalidating_node)
File "C:\Python27\Lib\site-packages\matplotlib\transforms.py", line
155, in _invalidate_internal
invalidating_node=self)
File "C:\Python27\Lib\site-packages\matplotlib\transforms.py", line
2141, in _invalidate_internal
invalidating_node=invalidating_node)
File "C:\Python27\Lib\site-packages\matplotlib\transforms.py", line
153, in _invalidate_internal
for parent in self._parents.itervalues():
File "C:\Python27\Lib\weakref.py", line 147, in itervalues
for wr in self.data.itervalues():
RuntimeError: dictionary changed size during iteration
I googled and found that this is a well known bug due to the use of
self.data.itervalues() in the for loop (i think the correct syntax
should be for wr in iter(self.data.items()). So I would like to point
out the bug (if it is) to the matplotlib guys, how can I do it?
In the meantime, how can I work around it without changing the source
code?
Thanks in advance!
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