Launch a characterization error

[yahya-93]

when i run this command to launch the setup i get the following error
rbah@grenoble:/iot-lab-radio$ iotlab-radio
-bash: iotlab-radio: command not found
rbah@grenoble:/iot-lab-radio$ ./iotlab-radio
Traceback (most recent call last):
File "./iotlab-radio", line 22, in
import iotlabradio.radio
File "/senslab/users/rbah/iot-lab-radio/iotlabradio/radio.py", line 28, in
import iotlabaggregator.common
ImportError: No module named iotlabaggregator.common
rbah@grenoble:~/iot-lab-radio$
is there any sollution to solve this issue
thank you