Something must be built differently and causing issues with sys.path or PYTHONPATH. Perhaps these pages may help? https://docs.python.org/2/tutorial/modules.html#the-module-search-path https://docs.python.org/2/tutorial/modules.html#the-module-search-path https://stackoverflow.com/questions/15252040/how-does-python-find-a-module-f... https://stackoverflow.com/questions/15252040/how-does-python-find-a-module-f...