Traceback (most recent call last):


 "<stdin>", line 1, in <module>


 "sympy/concrete/summations.py", line 442, in is_convergent

if abs(lim_ratio) > 1:


 "sympy/core/relational.py", line 229, in __nonzero__

raise TypeError("cannot determine truth value of Relational")
TypeError: cannot determine truth value of Relational

Traceback (most recent call last):


 "/home/sfrplindia1/Work/SantaFe/Raghuram/chatbots/rasa_15/lib/python3.6/site-packages/rasa/core/training/interactive.py", line 1399, in run_interactive_io

sender_id=uuid.uuid4().hex,


 "/home/sfrplindia1/Work/SantaFe/Raghuram/chatbots/rasa_15/lib/python3.6/site-packages/rasa/core/training/interactive.py", line 1349, in record_messages

endpoint, sender_id, finetune, sender_ids, plot_file


 "/home/sfrplindia1/Work/SantaFe/Raghuram/chatbots/rasa_15/lib/python3.6/site-packages/rasa/core/training/interactive.py", line 883, in _predict_till_next_listen

sender_ids, plot_file, endpoint, unconfirmed=[ActionExecuted(action_name)]


 "/home/sfrplindia1/Work/SantaFe/Raghuram/chatbots/rasa_15/lib/python3.6/site-packages/rasa/core/training/interactive.py", line 1274, in _plot_trackers

event_sequences[-1], event_sequences, output_file=None, max_history=2


 "/home/sfrplindia1/Work/SantaFe/Raghuram/chatbots/rasa_15/lib/python3.6/site-packages/rasa/core/training/visualization.py", line 467, in visualize_neighborhood

else sanitize(message.get("intent", {})).get("name", "
?
"),


 "/home/sfrplindia1/Work/SantaFe/Raghuram/chatbots/rasa_15/lib/python3.6/site-packages/rasa/core/training/visualization.py", line 364, in sanitize

return re.sub(r"""[&\\\<\>"'%();+]""", "", s)


 "/home/sfrplindia1/Work/SantaFe/Raghuram/chatbots/rasa_15/lib/python3.6/re.py", line 191, in sub

return _compile(pattern, flags).sub(repl, string, count)
TypeError: expected string or bytes-like object
