Traceback (most recent call last):


 "/home/ubuntu/.local/share/virtualenvs/nucypher-fvStivKV/bin/nucypher", line 11, in <module>

load_entry_point('nucypher', 'console_scripts', 'nucypher')()


 "/home/ubuntu/.local/share/virtualenvs/nucypher-fvStivKV/lib/python3.6/site-packages/click/core.py", line 764, in __call__

return self.main(*args, **kwargs)


 "/home/ubuntu/.local/share/virtualenvs/nucypher-fvStivKV/lib/python3.6/site-packages/click/core.py", line 717, in main

rv = self.invoke(ctx)


 "/home/ubuntu/.local/share/virtualenvs/nucypher-fvStivKV/lib/python3.6/site-packages/click/core.py", line 1137, in invoke

return _process_result(sub_ctx.command.invoke(sub_ctx))


 "/home/ubuntu/.local/share/virtualenvs/nucypher-fvStivKV/lib/python3.6/site-packages/click/core.py", line 956, in invoke

return ctx.invoke(self.callback, **ctx.params)


 "/home/ubuntu/.local/share/virtualenvs/nucypher-fvStivKV/lib/python3.6/site-packages/click/core.py", line 555, in invoke

return callback(*args, **kwargs)


 "/home/ubuntu/.local/share/virtualenvs/nucypher-fvStivKV/lib/python3.6/site-packages/click/decorators.py", line 64, in new_func

return ctx.invoke(f, obj, *args, **kwargs)


 "/home/ubuntu/.local/share/virtualenvs/nucypher-fvStivKV/lib/python3.6/site-packages/click/core.py", line 555, in invoke

return callback(*args, **kwargs)


 "/home/ubuntu/nucypher/nucypher/cli/config.py", line 219, in wrapper

return func(config, *args, **kwargs)


 "/home/ubuntu/nucypher/nucypher/cli/characters/ursula.py", line 169, in ursula

staker_address = select_client_account(emitter=emitter, prompt=prompt)


 "/home/ubuntu/nucypher/nucypher/cli/actions.py", line 312, in select_client_account

blockchain = BlockchainInterfaceFactory.get_interface()


 "/home/ubuntu/nucypher/nucypher/blockchain/eth/interfaces.py", line 712, in get_interface

raise cls.FactoryError(f"There is no existing blockchain connection.")
nucypher.blockchain.eth.interfaces.FactoryError: There is no existing blockchain connection.

Traceback (most recent call last):



 "<ipython-input-3-420187bbc878>", line 1, in <module>

runfile('D:/CartPoleNEAT/CartPole.py', wdir='D:/CartPoleNEAT')



 "c:\programdata\miniconda\lib\site-packages\spyder_kernels\customize\spydercustomize.py", line 704, in runfile

execfile(filename, namespace)



 "c:\programdata\miniconda\lib\site-packages\spyder_kernels\customize\spydercustomize.py", line 108, in execfile

exec(compile(f.read(), filename, 'exec'), namespace)



 "D:/CartPoleNEAT/CartPole.py", line 71, in <module>

run()



 "D:/CartPoleNEAT/CartPole.py", line 45, in run

pop.run(eval_genomes, 10)



 "c:\programdata\miniconda\lib\site-packages\neat\population.py", line 94, in run

TypeError: '>' not supported between instances of 'NoneType' and 'NoneType'
