remove redundant setup_query() call

self.pre_sql_setup() already calls it.

Author: WaVEV

django_mongodb/compiler.py

@@ -145,7 +145,6 @@ def get_count(self, check_exists=False):
     def build_query(self, columns=None):
         """Check if the query is supported and prepare a MongoQuery."""
         self.check_query()
-        self.setup_query()
         query = self.query_class(self, columns)
         try:
             query.mongo_query = {"$expr": self.query.where.as_mql(self, self.connection)}