-from link import LinkSerializer
-from response import ProblemDetailsSerializer
-from ext_virtual_link_info import ExtVirtualLinkInfoSerializer
-from vnf_info_modifications import VnfInfoModificationsSerializer
+from .link import linkSerializer
+from .response import ProblemDetailsSerializer
+from .ext_virtual_link_info import ExtVirtualLinkInfoSerializer
+from .vnf_info_modifications import VnfInfoModificationsSerializer