Removed double import in mysql base.py

django/db/backends/mysql/base.py

@@ -16,8 +16,6 @@ except ImportError as e:
     from django.core.exceptions import ImproperlyConfigured
     raise ImproperlyConfigured("Error loading MySQLdb module: %s" % e)
 
-from django.utils.functional import cached_property
-
 # We want version (1, 2, 1, 'final', 2) or later. We can't just use
 # lexicographic ordering in this check because then (1, 2, 1, 'gamma')
 # inadvertently passes the version test.