Matplotlib plot freezes in pyscripter

[Clark Kogan]

I am using the built in interpreter in pyscripter, and am trying to
create a simple plot. I use the following code:

import numpy as np
import matplotlib.pyplot as plt

x = np.array([1,2,3])
y = np.array([2.3,5,6])
plt.plot(x,y)
plt.show()

The first time that I run it (after opening pyscripter) everything
works fine. I get the plot and I can move it around and close it with
a mouse click.

The second time that I run it, the figure comes up, but the plot does
not appear. Instead, the figure stays gray. I try to close the figure
by pressing the x in the upper right corner, and it does nothing. Then
I try to move the plot, and I get the popup error:

Microsoft Visual C++ Runtime Library
Program: C:\Program Files\PyScripter\PyScripter.exe
This application has requested the Runtime to terminate it in an
unusual way.

If instead of trying to move the figure around, I type:
close()

then the figure will close.

I am running windows vista 32 bit, and am using python 2.6.
Thanks for your help!

- Clark

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[Colin J. Williams]

Clark,

Using your code, I get a similar result.  Except the figure fails to show for the second try.

Colin W.