I recently upgrade to Python 2.7 (I used EPD Free for the install which
comes with matplotlib 1.1.0) and I'm getting the following error when I try
to plot dates. I've tried a few different backends, but they all seem to
give the same error. I had no issues using Python 2.6 up to now. I think
this may have to do with the new requirement in Python 2.7 that if you
passed a float to a function that was defined as an int, it now raises a
TypeError (instead of a DeprecationWarning).
Traceback (most recent call last):
File "C:\Python27\lib\site-packages\matplotlib\backends\backend_wx.py",
line 1289, in _onLeftButtonDown
FigureCanvasBase.button_press_event(self, x, y, 1, guiEvent=evt)
File "C:\Python27\lib\site-packages\matplotlib\backend_bases.py", line
1632, in button_press_event
self.callbacks.process(s, mouseevent)
File "C:\Python27\lib\site-packages\matplotlib\cbook.py", line 256, in
process
proxy(*args, **kwargs)
File "C:\Python27\lib\site-packages\matplotlib\cbook.py", line 189, in
__call__
return mtd(*args, **kwargs)
File "C:\Python27\lib\site-packages\matplotlib\backend_bases.py", line
1522, in pick
self.figure.pick(mouseevent)
File "C:\Python27\lib\site-packages\matplotlib\artist.py", line 332, in
pick
a.pick(mouseevent)
File "C:\Python27\lib\site-packages\matplotlib\axes.py", line 3038, in
pick
martist.Artist.pick(self,args[0])
File "C:\Python27\lib\site-packages\matplotlib\artist.py", line 332, in
pick
a.pick(mouseevent)
File "C:\Python27\lib\site-packages\matplotlib\artist.py", line 321, in
pick
self.figure.canvas.pick_event(mouseevent, self, **prop)
File "C:\Python27\lib\site-packages\matplotlib\backend_bases.py", line
1598, in pick_event
self.callbacks.process(s, event)
File "C:\Python27\lib\site-packages\matplotlib\cbook.py", line 256, in
process
proxy(*args, **kwargs)
File "C:\Python27\lib\site-packages\matplotlib\cbook.py", line 189, in
__call__
return mtd(*args, **kwargs)
File "C:\src\QC_DUAL\src\QC_DUAL\databrowser.py", line 284, in onpick
self.fig.canvas.draw()
File
"C:\Python27\lib\site-packages\matplotlib\backends\backend_wxagg.py", line
59, in draw
FigureCanvasAgg.draw(self)
File "C:\Python27\lib\site-packages\matplotlib\backends\backend_agg.py",
line 401, in draw
self.figure.draw(self.renderer)
File "C:\Python27\lib\site-packages\matplotlib\artist.py", line 55, in
draw_wrapper
draw(artist, renderer, *args, **kwargs)
File "C:\Python27\lib\site-packages\matplotlib\figure.py", line 884, in
draw
func(*args)
File "C:\Python27\lib\site-packages\matplotlib\artist.py", line 55, in
draw_wrapper
draw(artist, renderer, *args, **kwargs)
File "C:\Python27\lib\site-packages\matplotlib\axes.py", line 1983, in
draw
a.draw(renderer)
File "C:\Python27\lib\site-packages\matplotlib\artist.py", line 55, in
draw_wrapper
draw(artist, renderer, *args, **kwargs)
File "C:\Python27\lib\site-packages\matplotlib\axis.py", line 1036, in
draw
ticks_to_draw = self._update_ticks(renderer)
File "C:\Python27\lib\site-packages\matplotlib\axis.py", line 926, in
_update_ticks
tick_tups = [ t for t in self.iter_ticks()]
File "C:\Python27\lib\site-packages\matplotlib\axis.py", line 873, in
iter_ticks
majorLocs = self.major.locator()
File "C:\Python27\lib\site-packages\matplotlib\dates.py", line 594, in
__call__
dates = self.rule.between(dmin, dmax, True)
File "C:\Python27\lib\site-packages\dateutil\rrule.py", line 207, in
between
for i in gen:
File "C:\Python27\lib\site-packages\dateutil\rrule.py", line 451, in _iter
dayset, start, end = getdayset(year, month, day)
File "C:\Python27\lib\site-packages\dateutil\rrule.py", line 797, in
ddayset
i = datetime.date(year, month, day).toordinal()-self.yearordinal
TypeError: integer argument expected, got float
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