from django.db import migrations

def oprav_ulohy(apps, schema_editor):
	Problem = apps.get_model('seminar', 'Pohadka')

	for p in Problem.objects.filter(typ="b'uloha'"):
		p.typ = "uloha"
		p.save()

class Migration(migrations.Migration):

	dependencies = [
		('seminar', '0058_problem_to_uloha_tema_clanek'),
	]

	operations = [
		migrations.RunPython(oprav_ulohy, oprav_ulohy),
	]