nucypher stake list: fails

log.log

 ____    __            __                      
/\  _`\ /\ \__        /\ \                     
\ \,\L\_\ \ ,_\    __ \ \ \/'\      __   _ __  
 \/_\__ \\ \ \/  /'__`\\ \ , <    /'__`\/\`'__\
   /\ \L\ \ \ \_/\ \L\.\\ \ \\`\ /\  __/\ \ \/ 
   \ `\____\ \__\ \__/.\_\ \_\ \_\ \____\\ \_\ 
    \/_____/\/__/\/__/\/_/\/_/\/_/\/____/ \/_/ 
   
The Holder of Stakes.                                      

Traceback (most recent call last):
  File "/home/michwill/.local/share/virtualenvs/nucypher-kms-5SSQ9ZHE/bin/nucypher", line 11, in <module>
    load_entry_point('nucypher', 'console_scripts', 'nucypher')()
  File "/home/michwill/.local/share/virtualenvs/nucypher-kms-5SSQ9ZHE/lib/python3.6/site-packages/click/core.py", line 764, in __call__
    return self.main(*args, **kwargs)
  File "/home/michwill/.local/share/virtualenvs/nucypher-kms-5SSQ9ZHE/lib/python3.6/site-packages/click/core.py", line 717, in main
    rv = self.invoke(ctx)
  File "/home/michwill/.local/share/virtualenvs/nucypher-kms-5SSQ9ZHE/lib/python3.6/site-packages/click/core.py", line 1137, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/home/michwill/.local/share/virtualenvs/nucypher-kms-5SSQ9ZHE/lib/python3.6/site-packages/click/core.py", line 956, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/home/michwill/.local/share/virtualenvs/nucypher-kms-5SSQ9ZHE/lib/python3.6/site-packages/click/core.py", line 555, in invoke
    return callback(*args, **kwargs)
  File "/home/michwill/.local/share/virtualenvs/nucypher-kms-5SSQ9ZHE/lib/python3.6/site-packages/click/decorators.py", line 64, in new_func
    return ctx.invoke(f, obj, *args, **kwargs)
  File "/home/michwill/.local/share/virtualenvs/nucypher-kms-5SSQ9ZHE/lib/python3.6/site-packages/click/core.py", line 555, in invoke
    return callback(*args, **kwargs)
  File "/home/michwill/Projects/nucypher-kms/nucypher/cli/config.py", line 219, in wrapper
    return func(config, *args, **kwargs)
  File "/home/michwill/Projects/nucypher-kms/nucypher/cli/characters/stake.py", line 134, in stake
    registry_filepath=registry_filepath)
  File "/home/michwill/Projects/nucypher-kms/nucypher/config/node.py", line 323, in from_configuration_file
    node_configuration = cls(filepath=filepath, provider_process=provider_process, **assembled_params)
  File "/home/michwill/Projects/nucypher-kms/nucypher/config/characters.py", line 252, in __init__
    super().__init__(*args, **kwargs)
TypeError: __init__() got an unexpected keyword argument 'blockchain'
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