Fixed attribute import migrations.
Fixed attribute import migrations.

titeuf87/evennia,titeuf87/evennia,mrkulk/text-world,ergodicbreak/evennia,TheTypoMaster/evennia,emergebtc/evennia,TheTypoMaster/evennia,emergebtc/evennia,shollen/evennia,feend78/evennia,emergebtc/evennia,mrkulk/text-world,ergodicbreak/evennia,feend78/evennia,titeuf87/evennia,feend78/evennia,TheTypoMaster/evennia,jamesbeebop/evennia,mrkulk/text-world,feend78/evennia,jamesbeebop/evennia,ergodicbreak/evennia,titeuf87/evennia,mrkulk/text-world,shollen/evennia,ypwalter/evennia,ypwalter/evennia,ypwalter/evennia,jamesbeebop/evennia