  File "/Users/andybaker/Documents/Muffin/site/logistics/models.py", line 462, in <module>
    HireableBaseModel):
  File "/Users/andybaker/Documents/Muffin/site/logistics/models.py", line 689, in Consignment
    'start_location': _us(),
  File "/Users/andybaker/Documents/Muffin/site/crm/models.py", line 198, in our_base
    def our_base(self): return self.ours().not_workshop().not_unknown().first()
  File "/Users/andybaker/Documents/Muffin/site/crm/models.py", line 194, in ours
    def ours(self): return self.filter(account=Account.objects.us())
  File "/Users/andybaker/Documents/Muffin/site/crm/models.py", line 37, in <lambda>
    us = lambda self: self.filter(is_us=True).first()