exceptions from easy_install matplotlib

Should I be worried about these?

Installed /usr/lib/python2.5/site-packages/matplotlib-0.91.2-py2.5-linux-x86_64.egg
Processing dependencies for matplotlib
Finished processing dependencies for matplotlib
Exception exceptions.OSError: (2, 'No such file or
directory', 'src/image.cpp') in <bound method CleanUpFile.__del__ of
<setupext.CleanUpFile instance at 0xee08c0>> ignored
Exception exceptions.OSError: (2, 'No such file or
directory', 'src/transforms.cpp') in <bound method CleanUpFile.__del__ of
<setupext.CleanUpFile instance at 0xedcc68>> ignored
Exception exceptions.OSError: (2, 'No such file or
directory', 'src/backend_agg.cpp') in <bound method CleanUpFile.__del__ of
<setupext.CleanUpFile instance at 0xee0710>> ignored