#6 patch for setup.py in Pmw 1.3

[fmysh]

Building with setup.py fails.

$ python setup.py build
running build
running build_py
package init file '__init__.py' not found (or not a regular file)
error: package directory 'Pmw_1_3' does not exist
$

[fmysh]

patch for setup.py in Pmw 1.3