在Chatterbot中使用Ubuntu数据集时出现RuntimeError

问题描述

我运行了在chatterbot training examples on Github找到的这段代码，一切顺利。它按照应有的方式正确下载并提取了文件。然后我运行我的代码，文件有点死了。

这是代码：

import logging
from chatterbot import chatbot
from chatterbot.trainers import UbuntuCorpusTrainer

# Enable info level logging
logging.basicConfig(level=logging.INFO)

chatbot = chatbot('Example Bot')

trainer = UbuntuCorpusTrainer(chatbot)

# Start by training our bot with the Ubuntu corpus data
trainer.train()

# Now let's get a response to a greeting
response = chatbot.get_response('How are you doing today?')
print(response)

这是我得到的错误：

[nltk_data] Downloading package stopwords to
[nltk_data]     C:\Users\benbe\AppData\Roaming\nltk_data...
[nltk_data]   Package stopwords is already up-to-date!
[nltk_data] Downloading package averaged_perceptron_tagger to
[nltk_data]     C:\Users\benbe\AppData\Roaming\nltk_data...
[nltk_data]   Package averaged_perceptron_tagger is already up-to-
[nltk_data]       date!
INFO:chatterbot.chatterbot:File is already downloaded
INFO:chatterbot.chatterbot:File is already extracted
[nltk_data] Downloading package stopwords to
[nltk_data]     C:\Users\benbe\AppData\Roaming\nltk_data...
[nltk_data]   Package stopwords is already up-to-date!
[nltk_data] Downloading package averaged_perceptron_tagger to
[nltk_data]     C:\Users\benbe\AppData\Roaming\nltk_data...
[nltk_data]   Package averaged_perceptron_tagger is already up-to-
[nltk_data]       date!
INFO:chatterbot.chatterbot:File is already downloaded
INFO:chatterbot.chatterbot:File is already extracted
Traceback (most recent call last):
  File "<string>",line 1,in <module>
  File "C:\Users\benbe\AppData\Local\Programs\Python\python36\lib\multiprocessing\spawn.py",line 105,in spawn_main
    exitcode = _main(fd)
  File "C:\Users\benbe\AppData\Local\Programs\Python\python36\lib\multiprocessing\spawn.py",line 114,in _main
    prepare(preparation_data)
  File "C:\Users\benbe\AppData\Local\Programs\Python\python36\lib\multiprocessing\spawn.py",line 225,in prepare
    _fixup_main_from_path(data['init_main_from_path'])
  File "C:\Users\benbe\AppData\Local\Programs\Python\python36\lib\multiprocessing\spawn.py",line 277,in _fixup_main_from_path
    run_name="__mp_main__")
  File "C:\Users\benbe\AppData\Local\Programs\Python\python36\lib\runpy.py",line 263,in run_path
    pkg_name=pkg_name,script_name=fname)
  File "C:\Users\benbe\AppData\Local\Programs\Python\python36\lib\runpy.py",line 96,in _run_module_code
    mod_name,mod_spec,pkg_name,script_name)
  File "C:\Users\benbe\AppData\Local\Programs\Python\python36\lib\runpy.py",line 85,in _run_code
    exec(code,run_globals)
  File "D:\Coding\PyProjects\Sociality\Sociality3\Test\test2\tester.py",line 13,in <module>
    trainer.train()
  File "C:\Users\benbe\.virtualenvs\benbe-Zcclz55H\lib\site-packages\chatterbot\trainers.py",line 342,in train
    manager = Manager()
  File "C:\Users\benbe\AppData\Local\Programs\Python\python36\lib\multiprocessing\context.py",line 56,in Manager
    m.start()
  File "C:\Users\benbe\AppData\Local\Programs\Python\python36\lib\multiprocessing\managers.py",line 513,in start
    self._process.start()
  File "C:\Users\benbe\AppData\Local\Programs\Python\python36\lib\multiprocessing\process.py",in start
    self._popen = self._Popen(self)
  File "C:\Users\benbe\AppData\Local\Programs\Python\python36\lib\multiprocessing\context.py",line 322,in _Popen
    return Popen(process_obj)
  File "C:\Users\benbe\AppData\Local\Programs\Python\python36\lib\multiprocessing\popen_spawn_win32.py",line 33,in __init__
    prep_data = spawn.get_preparation_data(process_obj._name)
  File "C:\Users\benbe\AppData\Local\Programs\Python\python36\lib\multiprocessing\spawn.py",line 143,in get_preparation_data
    _check_not_importing_main()
  File "C:\Users\benbe\AppData\Local\Programs\Python\python36\lib\multiprocessing\spawn.py",line 136,in _check_not_importing_main
    is not going to be frozen to produce an executable.''')
RuntimeError: 
        An attempt has been made to start a new process before the
        current process has finished its bootstrapping phase.

        This probably means that you are not using fork to start your
        child processes and you have forgotten to use the proper idiom
        in the main module:

            if __name__ == '__main__':
                freeze_support()
                ...

        The "freeze_support()" line can be omitted if the program
        is not going to be frozen to produce an executable.

请注意，代码可以继续运行而不会崩溃，但是似乎没有任何作用。

解决方法

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