how to import matplotlib.pyplot

Question

I tried to run, on IDLE, the following example code, which was copied from matplotlib's official website:

import numpy as np
import matplotlib.pyplot as plt

x = np.arange(0, 5, 0.1);
y = np.sin(x)
plt.plot(x, y)

But I got lots of errors:

Traceback (most recent call last):
  File "D:/temp/pyplot_test.py", line 2, in <module>
    import matplotlib.pyplot as plt
  File "C:\Python27\lib\site-packages\matplotlib\pyplot.py", line 23, in <module>
    from matplotlib.figure import Figure, figaspect
  File "C:\Python27\lib\site-packages\matplotlib\figure.py", line 18, in <module>
    from axes import Axes, SubplotBase, subplot_class_factory
  File "C:\Python27\lib\site-packages\matplotlib\axes.py", line 14, in <module>
    import matplotlib.axis as maxis
  File "C:\Python27\lib\site-packages\matplotlib\axis.py", line 12, in <module>
    import matplotlib.patches as mpatches
  File "C:\Python27\lib\site-packages\matplotlib\patches.py", line 1615, in <module>
    class BoxStyle(_Style):
  File "C:\Python27\lib\site-packages\matplotlib\patches.py", line 2068, in BoxStyle
    {"AvailableBoxstyles": _pprint_styles(_style_list)}
  File "C:\Python27\lib\site-packages\matplotlib\patches.py", line 1539, in _pprint_styles
    args, varargs, varkw, defaults =  inspect.getargspec(cls.__init__)
AttributeError: 'module' object has no attribute 'getargspec'

My computer is a Windows XP machine. Python and matplotlib (and other site packages such as numpy) were installed cleanly using Python(x,y). Any idea how to resolve this issue?

Do you happen to have a custom inspect.py module lying around? When you enter import inspect; inspect, what does it print? — Ferdinand Beyer
– Ferdinand Beyer, Commented Feb 11, 2012 at 10:41
Yes. So, there is a name clash. After changing the filename, the code works now. Thanks very much. If you turn the comment into an answer I will flag it as the correct answer. — user740006
– user740006, Commented Feb 11, 2012 at 11:19
I didn't understand the problem, when I run import inspect; inspect, I get following output <module 'inspect' from 'C:\Python27\lib\inspect.pyc'>, what does it mean and how to I still import matlibplot for plotting purpose. — VaidAbhishek
– VaidAbhishek, Commented Jul 9, 2012 at 23:03
@VaidAbhishek it means that you did not have the same problem that OP did. — Karl Knechtel
– Karl Knechtel, Commented Jan 14, 2024 at 23:06

Audrius Meškauskas · Accepted Answer · 2013-09-26 11:22:12Z

1

Try importing matplotlib.pylab, as it is alias for pyplot.

edited Sep 26, 2013 at 11:22

Audrius Meškauskas

21.9k12 gold badges85 silver badges100 bronze badges

answered Sep 26, 2013 at 10:53

dinafication

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