The local Python and Django user groups could be a good source. Try getting in touch with the organizers and ask them about making presentations and/or leaving job postings.
Hi,
Are you still interested in this employees? Anyway next time I suggest contact an outstaffing company. Here you can read more about how it’s work. In a few words - there are a lot of counties where you can hire developers with lower cost (Eastern Europe), and there are a lot of companies which can provide you with team dedicated only to your business.