[Matplotlib-users] MacOS matplotlib broken after `pip install matplotlib --upgrade` to version 2.1.0

[Jody Klymak]

Hi Victor,

This is apparently a bug that will be patched soon.  I’d roll back to 2.0.2 in the meantime if you aren’t comfortable working off github….

https://github.com/matplotlib/matplotlib/issues/9345 <https://github.com/matplotlib/matplotlib/issues/9345>

Cheers,   Jody

> On Oct 12, 2017, at  8:59 AM, Victor Zhao <vzhao23 at gmail.com> wrote:
> 
> My OS X python installation is through homebrew. I then add python software using pip. I recently upgraded matplotlib from version 1.4.3 to 2.1.0 via `pip install matplotlib --upgrade`, and now matplotlib gives me this error when I try to make a basic plot:
> 
>     In [1]: plt.plot(np.arange(10))
>     ---------------------------------------------------------------------------
>     TypeError                                 Traceback (most recent call last)
>     <ipython-input-1-a81699eb47e8> in <module>()
>     ----> 1 plt.plot(np.arange(10))
>     
>     /usr/local/lib/python2.7/site-packages/matplotlib/pyplot.pyc in plot(*args, **kwargs)
>        3227 @_autogen_docstring(Axes.plot)
>        3228 def plot(*args, **kwargs):
>     -> 3229     ax = gca()
>        3230     # Deprecated: allow callers to override the hold state
>        3231     # by passing hold=True|False
>     
>     /usr/local/lib/python2.7/site-packages/matplotlib/pyplot.pyc in gca(**kwargs)
>         957     matplotlib.figure.Figure.gca : The figure's gca method.
>         958     """
>     --> 959     return gcf().gca(**kwargs)
>         960
>         961 # More ways of creating axes:
>     
>     /usr/local/lib/python2.7/site-packages/matplotlib/pyplot.pyc in gcf()
>         586         return figManager.canvas.figure
>         587     else:
>     --> 588         return figure()
>         589
>         590
>     
>     /usr/local/lib/python2.7/site-packages/matplotlib/pyplot.pyc in figure(num, figsize, dpi, facecolor, edgecolor, frameon, FigureClass, clear, **kwargs)
>         554         # FigureManager base class.
>         555         if matplotlib.is_interactive():
>     --> 556             draw_if_interactive()
>         557
>         558         if _INSTALL_FIG_OBSERVER:
>     
>     /usr/local/lib/python2.7/site-packages/matplotlib/backend_bases.pyc in draw_if_interactive(cls)
>         183             manager = Gcf.get_active()
>         184             if manager:
>     --> 185                 cls.trigger_manager_draw(manager)
>         186
>         187     @classmethod
>     
>     TypeError: unbound method trigger_manager_draw() must be called with _BackendMac instance as first argument (got FigureManagerMac instance instead)
> 
> I am not sure how to diagnose this. I do have a working Python 3 matplotlib however.
> 
> Is this actually a bug within version 2.1.0 of matplotlib? Thanks
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