Chatterbot reading .yml files as text files about chatterbot-corpus HOT 8 CLOSED

def remove_hyphens(statement):
    # ...

bot = ChatBot('Test',
    # ...
)

bot.preprocessors.append(
    remove_hyphens
)

trainer = ListTrainer(bot)
# ...

def remove_hyphens(statement):
    """
    Remove hypnens.
    """
    statement.text = statement.text.replace('-', '')

    return statement


chatbot = ChatBot(
    'Example,
    preprocessors=[
        remove_hyphens
    ]
)

from chatterbot.trainers import ListTrainer
from chatterbot import ChatBot
import os

bot = ChatBot('Test',
      storage_adapter='chatterbot.storage.SQLStorageAdapter',
      database_uri='sqlite:///database.sqlite3',
      logic_adapters=[
                      {
                        'import_path': 'chatterbot.logic.BestMatch',
                        'default_response': 'I am sorry, but I do not understand.',
                        'maximum_similarity_threshold': 0.95
                      }
                    ],
      preprocessors= [{'import_path':'chatterbot.preprocessors.remove_hyphens'}],
      trainer='chatterbot.trainers.ListTrainer')

trainer = ListTrainer(bot)

for _file in os.listdir('files'):
    chats = open('files/' + _file, 'r').readlines()
    trainer.train(chats)

while True:
    try:

        message = input('You:')

        if message.strip() == 'Bye':
            print('ChatBot: Bye')
            break
        else:
            reply = bot.get_response(message)
            if reply.confidence == 0:
                print("Chatbot: I don't understand")
            else:
                print('ChatBot:', reply)

    # Press ctrl-c or ctrl-d on the keyboard to exit
    except (KeyboardInterrupt, EOFError, SystemExit):
        break

Traceback (most recent call last):
  File "C:\Users\wasai\AppData\Local\Programs\Python\Python37-32\practise\newtrial\improved main\improvedMain.py", line 19, in <module>
    trainer='chatterbot.trainers.ListTrainer')
  File "C:\Users\wasai\AppData\Local\Programs\Python\Python37-32\lib\site-packages\chatterbot\chatterbot.py", line 50, in __init__
    self.preprocessors.append(utils.import_module(preprocessor))
  File "C:\Users\wasai\AppData\Local\Programs\Python\Python37-32\lib\site-packages\chatterbot\utils.py", line 14, in import_module
    module_parts = dotted_path.split('.')
AttributeError: 'dict' object has no attribute 'split'
>>> 

def remove_hyphens(statement):
    """
    Remove hyphens.
    """
    statement.text = statement.text.replace('-', '')
    return statement