PYTHON-1047 - inline_map_reduce should execute the mapreduce command only once.

Author: Luke Lovett

pymongo/collection.py

@@ -1901,7 +1901,6 @@ def inline_map_reduce(self, map, reduce, full_response=False, **kwargs):
  read_concern=self.read_concern)
  else:
  res = self._command(sock_info, cmd, slave_ok)
- res = self._command(sock_info, cmd, slave_ok)
 
  if full_response:
  return res