ImportError: cannot import name uhd

[letitbezh]

when i use drm_transmitter_gui.py , it is wrong ,what should i do

founder@founder-pc:~/hackrf/gr-drm/apps/gui$ python drm_transmitter_gui.py 
Traceback (most recent call last):
  File "drm_transmitter_gui.py", line 13, in <module>
    import drm_transmitter
  File "/home/founder/hackrf/gr-drm/apps/gui/drm_transmitter.py", line 22, in <module>
    from gnuradio import uhd
ImportError: cannot import name uhd

[fwunsch]

This does not look like a gr-drm related problem. Make sure you installed UHD and set all the paths correctly so that it can be found at runtime.