import Product into test.py

solve this error when executing test.py to test UPS:

$ ./test.py
Traceback (most recent call last):
  File "./test.py", line 338, in <module>
    TestUPS()
  File "./test.py", line 45, in TestUPS
    Product(total=10, value=2, quantity=5, description='It\'s just a bunch of widgets', country = 'CA'),
NameError: global name 'Product' is not defined