Traceback (most recent call last):


 "photon.py", line 187, in <module>

domain = topLevel(main_url)


 "photon.py", line 182, in topLevel

toplevel = tld.get_fld(host, fix_protocol=True)
AttributeError: 'module' object has no attribute 'get_fld'

Traceback (most recent call last):


 "train.py", line 40, in <module>

bot.set_trainer(ChatterBotCorpusTrainer)
AttributeError: 'ChatBot' object has no attribute 'set_trainer'