Generalized aircraft assign function

cntmanage/flightslot/admins/hourbuilding_adm.py

@@ -9,12 +9,9 @@ from durationwidget.widgets import TimeDurationWidget
 
 from ..models.hourbuildings import HourBuilding, HourBuildingLegBase, HourBuildingLegFlight, HourBuildingLegStop
 from ..models.weekpref import WeekPreference
-from ..models.students import Student
 
 from ..custom.student_permissions import has_edit_permission
 
-from datetime import date
-
 class HourBuildingLegFlightForm(forms.ModelForm):
     class Meta:
         model = HourBuildingLegFlight