Cannot find reference

[spalisetty06]

Various possibilities of import:
import module1
import module1, module2, module3
import module1 as m1
import module1 as m1, module2 as m2, module3 as m3
from module1 import member1
from module1 import member1, member2, member3
from module1 import *
from module1 import member1 as m1
from module1 import member1 as m1, member2 as m2, member3 as m3