project WAMPTest Exception while connecting WAMP

Distribution ALT Linux.

Project WAMPTest Successfully built:

Start build in /home/antohami/gear/beremiz/beremiz/tests/wamp/build
Generating SoftPLC IEC-61131 ST/IL/SFC code...
Compiling IEC Program into C code...
Extracting Located Variables...
C code generated successfully.
PLC :
   [CC]  plc_main.c -> plc_main.o
/home/antohami/gear/beremiz/beremiz/tests/wamp/build/plc_main.c: In function 'CheckFilehash':
/home/antohami/gear/beremiz/beremiz/tests/wamp/build/plc_main.c:438:2: warning: ignoring return value of 'fread', declared with attribute warn_unused_result [-Wunused-result]
  fread(&size, sizeof(size), 1, retain_buffer);
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/antohami/gear/beremiz/beremiz/tests/wamp/build/plc_main.c:444:3: warning: ignoring return value of 'fread', declared with attribute warn_unused_result [-Wunused-result]
   fread(&file_digit, sizeof(char), 1, retain_buffer);
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/antohami/gear/beremiz/beremiz/tests/wamp/build/plc_main.c: In function 'Remind':
/home/antohami/gear/beremiz/beremiz/tests/wamp/build/plc_main.c:648:2: warning: ignoring return value of 'fread', declared with attribute warn_unused_result [-Wunused-result]
  fread((void *)p, count, 1, retain_buffer);
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   [CC]  plc_debugger.c -> plc_debugger.o
   [CC]  config.c -> config.o
   [CC]  resource1.c -> resource1.o
0 :
   [CC]  PyCFile_0.c -> PyCFile_0.o
Linking :
   [CC]  plc_main.o plc_debugger.o config.o resource1.o PyCFile_0.o -> wamp.so
Successfully built.

But when you connect an error:

Exception while connecting WAMP://127.0.0.1:8888#Automation#WampID!
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/beremiz/ProjectController.py", line 1797, in _Connect
    self._SetConnector(connectors.ConnectorFactory(uri, self))
  File "/usr/lib/python2.7/site-packages/beremiz/connectors/__init__.py", line 83, in ConnectorFactory
    connectorclass = connectors[servicetype]()
  File "/usr/lib/python2.7/site-packages/beremiz/connectors/__init__.py", line 37, in <lambda>
    return lambda: getattr(__import__(name, globals(), locals()), name + "_connector_factory")
  File "/usr/lib/python2.7/site-packages/beremiz/connectors/WAMP/__init__.py", line 37, in <module>
    from autobahn.wamp.serializer import MsgPackSerializer
ImportError: cannot import name MsgPackSerializer
Connection failed to WAMP://127.0.0.1:8888#Automation#WampID!

Used python-module-autobahn-17.7.1

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