response = self.client.get(
             "/api/nsd/v1/ns_descriptors/23/nsd_content",
-            RANGE='5-10',
+            HTTP_RANGE='5-10',
             format='json'
         )
         partial_file_content = ''
 
             onboardingState="ONBOARDED",
             localFilePath="vnfPackage.csar"
         )
-        response = self.client.get("/api/vnfpkgm/v1/vnf_packages/222/package_content", RANGE="4-7")
+        response = self.client.get("/api/vnfpkgm/v1/vnf_packages/222/package_content", HTTP_RANGE="4-7")
         partial_file_content = ''
         for data in response.streaming_content:
             partial_file_content = partial_file_content + data
 
             raise e
 
     if request.method == 'GET':
-        file_range = request.META.get('RANGE')
+        file_range = request.META.get('HTTP_RANGE')
         file_iterator = NsDescriptor().download(nsd_info_id, file_range)
         return StreamingHttpResponse(file_iterator, status=status.HTTP_200_OK)
 
             raise e
 
     if request.method == "GET":
-        file_range = request.META.get('RANGE')
+        file_range = request.META.get('HTTP_RANGE')
         file_iterator = VnfPackage().download(vnf_pkg_id, file_range)
         return StreamingHttpResponse(file_iterator, status=status.HTTP_200_OK)