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Oprea Mihai
5,592 PointsForeignKey
When I run Step with ForeignKey in my Pycharm i get an __init()__ error.
Can you help me ?
class Step(models.Model):
title=models.CharField(max_length=255)
description=models.TextField()
order=models.IntegerField(default=0)
course=models.ForeignKey(Course)
def __str__(self):
return self.title
# error:
TypeError: __init__() missing 1 required positional argument: 'on_delete'
[MOD: Added ``` python formatting and ` escapes on the dunder -cf]
2 Answers
Chris Freeman
Treehouse Moderator 68,460 PointsStarting in Django 2.0, the on_delete is required for ForeignKeys. Change your usage to:
course=models.ForeignKey(Course, on_delete=models.DO_NOTHING, )
Information in the Django docs ForeignKey.
I found the original help on this JetBrains forum post
Oprea Mihai
5,592 PointsThank you !