Fix django version in requirements.
Fix django version in requirements.

urandu/mfl_api,MasterFacilityList/mfl_api,urandu/mfl_api,MasterFacilityList/mfl_api,MasterFacilityList/mfl_api,urandu/mfl_api,urandu/mfl_api,MasterFacilityList/mfl_api,MasterFacilityList/mfl_api