Rasa NLU core.py无类型问题

Question

[当运行Rasa（我写了一个简单的模型来识别有人告诉我他的名字，并将名字存储在数据库中时，我每次运行Rasa时，都会从Rasa的core.py中抛出异常：]]

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Your input ->  My name is Michael
Exception occurred in one of response middleware handlers
Traceback (most recent call last):
  File "/Users/Kami/Documents/rasa/venv/lib/python3.7/site-packages/sanic/app.py", line 958, in handle_request
    request, response
  File "/Users/Kami/Documents/rasa/venv/lib/python3.7/site-packages/spf/framework.py", line 579, in _run_response_middleware
    _response = await _response
  File "/Users/Kami/Documents/rasa/venv/lib/python3.7/site-packages/sanic_cors/extension.py", line 267, in unapplied_cors_response_middleware
    set_cors_headers(req, resp, context, res_options)
  File "/Users/Kami/Documents/rasa/venv/lib/python3.7/site-packages/sanic_cors/core.py", line 254, in set_cors_headers
    headers_to_set = get_cors_headers(options, req.headers, req.method)
  File "/Users/Kami/Documents/rasa/venv/lib/python3.7/site-packages/sanic_cors/core.py", line 174, in get_cors_headers
    origins_to_set = get_cors_origins(options, request_headers.get('Origin'))
  File "/Users/Kami/Documents/rasa/venv/lib/python3.7/site-packages/sanic_cors/core.py", line 149, in get_cors_origins
    return sorted([o for o in origins if not probably_regex(o)])
  File "/Users/Kami/Documents/rasa/venv/lib/python3.7/site-packages/sanic_cors/core.py", line 149, in <listcomp>
    return sorted([o for o in origins if not probably_regex(o)])
  File "/Users/Kami/Documents/rasa/venv/lib/python3.7/site-packages/sanic_cors/core.py", line 273, in probably_regex
    return any((c in maybe_regex for c in common_regex_chars))
  File "/Users/Kami/Documents/rasa/venv/lib/python3.7/site-packages/sanic_cors/core.py", line 273, in <genexpr>
    return any((c in maybe_regex for c in common_regex_chars))
TypeError: argument of type 'NoneType' is not iterable
我已经尝试在调试中运行，但是似乎没有消息与该问题有关。有什么建议吗？

[当运行Rasa（我写了一个简单的模型来识别有人告诉我他的名字，并将该名字存储在数据库中时，我每次运行Rasa时，都会从Rasa的core.py中抛出一个异常：...

Answer 1

事实证明，这是v1.3.7（和v1.3.8）中的Rasa错误。我发现有两种解决方法：