Correct build fixes for pycharm

The two fixes, as one might guess from the diff, are as follows:

    /proj/jetbrains/community/build/gant.xml:40: : /proj/jetbrains/community/community/lib/libpty does not exist.
    /proj/jetbrains/community/build/gant.xml:40: : /proj/jetbrains/community/python/help does not exist.

This guards those two directories so once they re-appear the build
should again include them.