def apply_updates(self, unit, updated_unit_dict, errors):
"""Applies changes to a unit; modifies unit input argument."""
resources_display.UnitTools(courses.Course(self)).apply_updates(
unit, updated_unit_dict, errors)
def unit_to_dict(self, unit):
"""Converts a unit to a dictionary representation."""
return resources_display.UnitTools(
self.get_course()).unit_to_dict(unit)