create command is broken in the latest beta

$ bdt create tf
Traceback (most recent call last):
  File "/home/amir/miniconda/bin/bdt", line 11, in <module>
    sys.exit(main())
  File "/home/amir/miniconda/lib/python3.6/site-packages/click/core.py", line 764, in __call__
    return self.main(*args, **kwargs)
  File "/home/amir/miniconda/lib/python3.6/site-packages/click/core.py", line 717, in main
    rv = self.invoke(ctx)
  File "/home/amir/miniconda/lib/python3.6/site-packages/click/core.py", line 1137, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/home/amir/miniconda/lib/python3.6/site-packages/click/core.py", line 956, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/home/amir/miniconda/lib/python3.6/site-packages/click/core.py", line 555, in invoke
    return callback(*args, **kwargs)
  File "/home/amir/miniconda/lib/python3.6/site-packages/bob/devtools/scripts/bdt.py", line 42, in _decorator
    value = view_func(*args, **kwargs)
TypeError: create() got an unexpected keyword argument 'group'

mentioned in commit 82653d2f

mentioned in merge request !27 (merged)

assigned to @andre.anjos

closed via merge request !27 (merged)

mentioned in commit 4a660df5