Modulenotfounderror: no module named 'rasa.shared'

modulenotfounderror: no module named ‘rasa.shared’ .

Please help

traceback (most recent call last): file “/usr/local/bin/rasa”, line 8, in sys.exit(main()) file “/usr/local/lib/python3.6/dist-packages/rasa/main.py”, line 92, in main cmdline_arguments.func(cmdline_arguments) file “/usr/local/lib/python3.6/dist-packages/rasa/cli/x.py”, line 326, in rasa_x run_locally(args) file “/usr/local/lib/python3.6/dist-packages/rasa/cli/x.py”, line 414, in run_locally from rasax.community import local # pytype: disable=import-error file “/usr/local/lib/python3.6/dist-packages/rasax/community/local.py”, line 9, in import rasax.community.initialise as initialise file “/usr/local/lib/python3.6/dist-packages/rasax/community/initialise.py”, line 8, in import rasa.shared.data modulenotfounderror: no module named ‘rasa.shared’