Moved minimum version up for python-magic, due to a Py3 issue with earlier versions.

 - Legacy-Id: 17679

Author: levkowetz

requirements.txt

@@ -51,7 +51,7 @@ pyflakes>=0.9.2
 pyopenssl>=17.5.0		# Used by urllib3.contrib, which is used by PyQuery but not marked as a dependency
 pyquery>=1.3.0
 python-dateutil>=2.4
-python-magic>=0.4.6
+python-magic>=0.4.12
 python-memcached>=1.56		# for django.core.cache.backends.memcached
 python-mimeparse>=1.6		# from TastyPie
 pytz>=2014.7