Hey Guys,

This is may seem like a very broad question but how do you create a foreign 
key to Gallery in Activity model...

I wrote this line in my Activity model: *activity_gallery = 
models.ForeignKey("Gallery", null=True, blank=True, 
related_name="ActivityImages")*

When I drop my database and re-create it, there is an error which shows up. 
I can't seem to be able to resolve it.

*File 
"/Users/shaunaks/Documents/MyProjects/AGToysVE/lib/python2.7/site-packages/django/db/models/fields/related.py",
 
line 1227, in get_default*
*    if isinstance(field_default, self.rel.to):*
*TypeError: isinstance() arg 2 must be a class, type, or tuple of classes 
and types*
 
Please help!

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