Douglass-MacBook-Pro:test doug$ cat file1.py
VAR = 1
Douglass-MacBook-Pro:test doug$ cat file2.py
print VAR1
Douglass-MacBook-Pro:test doug$ cat test.py
from file1 import *
print VAR
from file2 import *
Douglass-MacBook-Pro:test doug$ python test.py
1
Traceback (most recent call last):
  File "test.py", line 3, in <module>
    from file2 import *
  File "/Users/doug/test/file2.py", line 1, in <module>
    print VAR1
NameError: name 'VAR1' is not defined