remove whitespace from dirs if there's no file named .lut in the dir

gistfile1.py

#!/usr/bin/python

def de_specify_dirs():
    import os
    for dir in os.listdir('./'):
	if not os.path.isdir(dir): continue
        path = os.path.join('./', dir)
        if [ file for file in os.listdir(path) if file.endswith('.lut') ]:
            continue
        os.rename(path, path.replace(' ', '_'))

if __name__ == "__main__":
    de_specify_dirs()