[matplotlib-devel] problem in 86.2 cvs

[Darren D. <dd...@co...>]

I just updated this morning, and the following script fails:

import pylab as pl
pl.plot(xrange(10), xrange(10))


Here's the traceback:

---------------------------------------------------------------------------
exceptions.ValueError                                Traceback (most recent 
call last)

/home/darren/<ipython console>

/usr/lib64/python2.4/site-packages/matplotlib-0.86.2cvs-py2.4-linux-x86_64.egg/matplotlib/pylab.py 
in plot(*args, **kwargs)
   2077 def plot(*args, **kwargs):
   2078     # allow callers to override the hold state by passing hold=True|
False
-> 2079     b = ishold()
   2080     h = popd(kwargs, 'hold', None)
   2081     if h is not None:

/usr/lib64/python2.4/site-packages/matplotlib-0.86.2cvs-py2.4-linux-x86_64.egg/matplotlib/pylab.py 
in ishold()
    938     Return the hold status of the current axes
    939     """
--> 940     return gca().ishold()
    941
    942 def isinteractive():

/usr/lib64/python2.4/site-packages/matplotlib-0.86.2cvs-py2.4-linux-x86_64.egg/matplotlib/pylab.py 
in gca(**kwargs)
    889     """
    890
--> 891     ax =  gcf().gca(**kwargs)
    892     return ax
    893

/usr/lib64/python2.4/site-packages/matplotlib-0.86.2cvs-py2.4-linux-x86_64.egg/matplotlib/figure.py 
in gca(self, **kwargs)
    613         ax = self._axstack()
    614         if ax is not None: return ax
--> 615         return self.add_subplot(111, **kwargs)
    616
    617     def sca(self, a):

/usr/lib64/python2.4/site-packages/matplotlib-0.86.2cvs-py2.4-linux-x86_64.egg/matplotlib/figure.py 
in add_subplot(self, *args, **kwargs)
    463                 a = PolarSubplot(self, *args, **kwargs)
    464             else:
--> 465                 a = Subplot(self, *args, **kwargs)
    466
    467

/usr/lib64/python2.4/site-packages/matplotlib-0.86.2cvs-py2.4-linux-x86_64.egg/matplotlib/axes.py 
in __init__(self, fig, *args, **kwargs)
   4094     def __init__(self, fig, *args, **kwargs):
   4095         SubplotBase.__init__(self, fig, *args)
-> 4096         Axes.__init__(self, fig, [self.figLeft, self.figBottom,
   4097                                   self.figW, self.figH], **kwargs)
   4098

/usr/lib64/python2.4/site-packages/matplotlib-0.86.2cvs-py2.4-linux-x86_64.egg/matplotlib/axes.py 
in __init__(self, fig, rect, axisbg, frameon, sharex, sharey, label, 
**kwargs)
    329
    330         # this call may differ for non-sep axes, eg polar
--> 331         self._init_axis()
    332
    333

/usr/lib64/python2.4/site-packages/matplotlib-0.86.2cvs-py2.4-linux-x86_64.egg/matplotlib/axes.py 
in _init_axis(self)
    358     def _init_axis(self):
    359         "move this out of __init__ because non-separable axes don't 
use it"
--> 360         self.xaxis = XAxis(self)
    361         self.yaxis = YAxis(self)
    362

/usr/lib64/python2.4/site-packages/matplotlib-0.86.2cvs-py2.4-linux-x86_64.egg/matplotlib/axis.py 
in __init__(self, axes)
    499         self.minorTicks = []
    500
--> 501         self.cla()
    502
    503     def cla(self):

/usr/lib64/python2.4/site-packages/matplotlib-0.86.2cvs-py2.4-linux-x86_64.egg/matplotlib/axis.py 
in cla(self)
    522         popall(self.minorTicks)
    523
--> 524         self.majorTicks.extend([self._get_tick(major=True)  for i in 
range(1)])
    525         self.minorTicks.extend([self._get_tick(major=False) for i in 
range(1)])
    526

/usr/lib64/python2.4/site-packages/matplotlib-0.86.2cvs-py2.4-linux-x86_64.egg/matplotlib/axis.py 
in _get_tick(self, major)
    832
    833     def _get_tick(self, major):
--> 834         return XTick(self.axes, 0, '', major=major)
    835
    836     def _get_label(self):

/usr/lib64/python2.4/site-packages/matplotlib-0.86.2cvs-py2.4-linux-x86_64.egg/matplotlib/axis.py 
in __init__(self, axes, loc, label, size, gridOn, tick1On, tick2On, label1On, 
label2On, major)
     98
     99
--> 100         self.tick1line = self._get_tick1line(loc)
    101         self.tick2line = self._get_tick2line(loc)
    102         self.gridline = self._get_gridline(loc)

/usr/lib64/python2.4/site-packages/matplotlib-0.86.2cvs-py2.4-linux-x86_64.egg/matplotlib/axis.py 
in _get_tick1line(self, loc)
    274                     antialiased=False,
    275                     marker = self._xtickmarkers[0],
--> 276                     markersize=self._size,
    277                     )
    278

/usr/lib64/python2.4/site-packages/matplotlib-0.86.2cvs-py2.4-linux-x86_64.egg/matplotlib/lines.py 
in __init__(self, xdata, ydata, linewidth, linestyle, color, marker, 
markersize, markeredgewidth, markeredgecolor, markerfacecolor, antialiased, 
dash_capstyle, solid_capstyle, dash_joinstyle, solid_joinstyle, **kwargs)
    209         self.verticalOffset = None
    210
--> 211         self.set_data(xdata, ydata)
    212
    213         if not self._lineStyles.has_key(linestyle):

/usr/lib64/python2.4/site-packages/matplotlib-0.86.2cvs-py2.4-linux-x86_64.egg/matplotlib/lines.py 
in set_data(self, *args)
    280             x = ma.masked_array(x, mask=mask).compressed()
    281             y = ma.masked_array(y, mask=mask).compressed()
--> 282             self._segments = unmasked_index_ranges(mask)
    283         else:
    284             self._segments = None

/usr/lib64/python2.4/site-packages/matplotlib-0.86.2cvs-py2.4-linux-x86_64.egg/matplotlib/lines.py 
in unmasked_index_ranges(mask, compressed)
     67
     68     '''
---> 69     m = concatenate(((1,), mask, (1,)))
     70     indices = arange(len(mask) + 1)
     71     mdif = m[1:] - m[:-1]

ValueError: arrays must have same number of dimensions