I have a dict inside a dict:
{ \'123456789\': {u\'PhoneOwner\': u\'Bob\', \'Frequency\': 0}, \'98765431\': {u\'PhoneOwner\': u\'Sarah\', \'Frequency\': 0},
Use integers as keys:
{ 123456789: {u'PhoneOwner': u'Bob', 'Frequency': 0}, 98765431: {u'PhoneOwner': u'Sarah', 'Frequency': 0}, }
You have strings as keys but you need integers.