ImportError

[cbrown1913]

#!/usr/bin/python3
import arduino
def loop():
 contin = True
 while contin:
  quitstatement = input()
  if quitstatement == false:
  else:
   arduino.send()
   contin = false
 pass
def main():
 arduino.connect()
 loop()
 arduino.disconnect()
if __name__ == "__main__":
 main()

That is the code that was provided by a professor, who did not give any other instructions regarding installing a module. 
Thank you very much, being new to programming can be tough!