$ ./scripts/noc-activator.py -f start
Traceback (most recent call last):
  File "./scripts/noc-activator.py", line 12, in <module>
    from noc.sa.activator.activator import Activator
  File "/opt/noc/sa/activator/activator.py", line 23, in <module>
    from noc.sa.script import script_registry
  File "/opt/noc/sa/script/__init__.py", line 10, in <module>
    from script import Script, script_registry
  File "/opt/noc/sa/script/script.py", line 23, in <module>
    from noc.sa.protocols.sae_pb2 import TELNET, SSH, HTTP
  File "/opt/noc/sa/protocols/sae_pb2.py", line 4, in <module>
    from google.protobuf.internal import enum_type_wrapper
ImportError: No module named google.protobuf.internal