The colors red, yellow and green that are used in this module seem to have a problem with Python 3.4:
File "/media/data/myproject/venv/lib/python3.4/site-packages/ndev/core.py", line 60
print red(" Please supply an input of %s. %i more attempt%s before selecting default." % (str(self.input_type), num_left, suf))
^
SyntaxError: invalid syntax
Any suggestions?