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  • in HTSeq example, pyplot

    Hi All,

    I am trying to run HTSeq with my data set and am using a script shown in HTSeq web site as a simple example. but just got error message in pyplot function in python. i am a very beginner of python.
    is there anyone who ran this example successfully and can advise me what i am missing now here?


    Thanx a lot in advance!

    ****
    >>> from matplotlib import pyplot
    >>> #import _tkagg
    ... #import Tkinter as Tk
    ...
    >>> pyplot.plot(qualsum/nreads)
    [<matplotlib.lines.Line2D object at 0x2f69cd0>]
    >>> pyplot.show()
    Exception in Tkinter callback
    Traceback (most recent call last):
    File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-tk/Tkinter.py", line 1410, in __call__
    return self.func(*args)
    File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/matplotlib/backends/backend_tkagg.py", line 245, in resize
    self.show()
    File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/matplotlib/backends/backend_tkagg.py", line 249, in draw
    tkagg.blit(self._tkphoto, self.renderer._renderer, colormode=2)
    File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/matplotlib/backends/tkagg.py", line 19, in blit
    tk.call("PyAggImagePhoto", photoimage, id(aggimage), colormode, id(bbox_array))
    TclError

    ****

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