Advancement.py coverage

[TehomCD]

I think when removing an __init__.py definition there was a lingering reference to it:

Traceback (most recent call last):
2019-10-19 15:05:32-0400 [AMPProtocol,0,127.0.0.1] [::]   File "/home/tehom/arx/evennia/evennia/scripts/scripts.py", line 449, in unpause
2019-10-19 15:05:32-0400 [AMPProtocol,0,127.0.0.1] [::]     self.at_start()
2019-10-19 15:05:32-0400 [AMPProtocol,0,127.0.0.1] [::]   File "/home/tehom/arx/arx/typeclasses/scripts/weekly_events.py", line 95, in at_start
2019-10-19 15:05:32-0400 [AMPProtocol,0,127.0.0.1] [::]     from world.magic.advancement import init_magic_advancement
2019-10-19 15:05:32-0400 [AMPProtocol,0,127.0.0.1] [::]   File "/home/tehom/arx/arx/world/magic/advancement.py", line 5, in <module>
2019-10-19 15:05:32-0400 [AMPProtocol,0,127.0.0.1] [::]     from typeclasses.scripts import Script
2019-10-19 15:05:32-0400 [AMPProtocol,0,127.0.0.1] [::] ImportError: cannot import name Script

Since this wasn't caught by tests, there must be no coverage of advancement.py at all.