Christoph Gohlke wrote: > > On 5/31/2010 1:53 AM, Craig McQueen wrote: >> I just installed matplotlib-0.99.3.win32-py2.6.exe on this Win2000 PC. >> When I try: >> from matplotlib import pyplot as plt >> >> it crashes Python with an apparent NULL-pointer reference. If I run >> python -v >> >> then it crashes just after: >> # c:\python26\lib\site-packages\matplotlib\transforms.pyc matches >> c:\python26\li >> b\site-packages\matplotlib\transforms.py >> import matplotlib.transforms # precompiled from >> c:\python26\lib\site-packages\ma >> tplotlib\transforms.pyc >> >> matplotlib-0.99.1.win32-py2.6.exe worked fine on this PC. >> >> Regards, >> Craig McQueen > > > I can not reproduce the crash in a Virtual Machine with Windows 2000 > SP4, Python 2.6.5, numpy 1.4.1, and matplotlib 0.99.3. > > Exactly which versions are you using, and how did you install Python > (for all users?). What is your CPU? > > matplotlib-0.99.3.win32-py2.6 was built against numpy 1.4.1, libpng > 1.4.2 and zlib 1.2.5, while matplotlib-0.99.1.win32-py2.6 was built > against numpy 1.3.0, libpng 1.2.3x, and zlib 1.2.3. > > Christoph >
Ah--installing numpy 1.4.1 fixed the issue. I had numpy 1.3.0 installed before that. Thanks for such a helpful response. I wasn't aware that matplotlib is "built against" a particular version of numpy (not quite sure what that means either, unless numpy provides a direct C API as well as the Python API; please excuse my ignorance). (To answer your questions in case that's still useful somehow... I'm using Windows 2000 SP4, Python 2.6.5, on a Pentium 4 PC. I installed Python for all users.) Thanks and regards, Craig McQueen ------------------------------------------------------------------------------ _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
