I'm having a little bit of trouble with running the service. 
root@pilight:/home/pi/piSchedule7# ./piSchedule.py
Traceback (most recent call last):
File "./piSchedule.py", line 31, in <module>
import ephem
ImportError: No module named ephem
Could someone give me a hand, please?
Thank you.

root@pilight:/home/pi/piSchedule7# ./piSchedule.py
Traceback (most recent call last):
File "./piSchedule.py", line 31, in <module>
import ephem
ImportError: No module named ephem
Could someone give me a hand, please?
Thank you.