Fry-IT/fry-checkin — comment on commit 4f9f72746e9e14750fa913821d44985df2c5a0d8
File: fryit_checkin/models.py line 11
By Gautier:

Python reads files from beginning to end. At this point the class Device is not defined but only later, you just need to move class Device before class MacAddress to fix the problem.