mbs-manager db upgrade
Traceback (most recent call last):
  File "/usr/bin/mbs-manager", line 11, in <module>
    load_entry_point('module-build-service==3.9.2', 'console_scripts', 'mbs-manager')()
  File "/usr/lib/python3.6/site-packages/click/core.py", line 721, in __call__
    return self.main(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/flask/cli.py", line 380, in main
    return AppGroup.main(self, *args, **kwargs)
  File "/usr/lib/python3.6/site-packages/click/core.py", line 696, in main
    rv = self.invoke(ctx)
  File "/usr/lib/python3.6/site-packages/click/core.py", line 1065, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/usr/lib/python3.6/site-packages/click/core.py", line 1065, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/usr/lib/python3.6/site-packages/click/core.py", line 894, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/usr/lib/python3.6/site-packages/click/core.py", line 534, in invoke
    return callback(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/click/decorators.py", line 17, in new_func
    return f(get_current_context(), *args, **kwargs)
  File "/usr/lib/python3.6/site-packages/flask/cli.py", line 257, in decorator
    return __ctx.invoke(f, *args, **kwargs)
  File "/usr/lib/python3.6/site-packages/click/core.py", line 534, in invoke
    return callback(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/flask_migrate/cli.py", line 134, in upgrade
    _upgrade(directory, revision, sql, tag, x_arg)
  File "/usr/lib/python3.6/site-packages/flask_migrate/__init__.py", line 259, in upgrade
    command.upgrade(config, revision, sql=sql, tag=tag)
  File "/usr/lib/python3.6/site-packages/alembic/command.py", line 298, in upgrade
    script.run_env()
  File "/usr/lib/python3.6/site-packages/alembic/script/base.py", line 489, in run_env
    util.load_python_file(self.dir, "env.py")
  File "/usr/lib/python3.6/site-packages/alembic/util/pyfiles.py", line 102, in load_python_file
    raise ImportError("Can't find Python file %s" % path)
ImportError: Can't find Python file /usr/lib/python3.6/site-packages/module_build_service/migrations/env.py