在MacOS上运行Python Flask时如何解决此错误

这是我在macOS上运行python flask应用程序时遇到的错误。我怎样才能解决它

Traceback (most recent call last):
  File "/Users/truongnguyen/Library/Python/3.6/lib/python/site-packages/flask/app.py", line 2447, in wsgi_app
    response = self.full_dispatch_request()
  File "/Users/truongnguyen/Library/Python/3.6/lib/python/site-packages/flask/app.py", line 1952, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/Users/truongnguyen/Library/Python/3.6/lib/python/site-packages/flask_cors/extension.py", line 165, in wrapped_function
    return cors_after_request(app.make_response(f(*args, **kwargs)))
  File "/Users/truongnguyen/Library/Python/3.6/lib/python/site-packages/flask/app.py", line 1821, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/Users/truongnguyen/Library/Python/3.6/lib/python/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/Users/truongnguyen/Library/Python/3.6/lib/python/site-packages/flask/app.py", line 1950, in full_dispatch_request
    rv = self.dispatch_request()
  File "/Users/truongnguyen/Library/Python/3.6/lib/python/site-packages/flask/app.py", line 1936, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/Users/truongnguyen/Library/Python/3.6/lib/python/site-packages/connexion/decorators/decorator.py", line 48, in wrapper
    response = function(request)
  File "/Users/truongnguyen/Library/Python/3.6/lib/python/site-packages/connexion/decorators/uri_parsing.py", line 144, in wrapper
    response = function(request)
  File "/Users/truongnguyen/Library/Python/3.6/lib/python/site-packages/connexion/decorators/validation.py", line 184, in wrapper
    response = function(request)
  File "/Users/truongnguyen/Library/Python/3.6/lib/python/site-packages/connexion/decorators/parameter.py", line 121, in wrapper
    return function(**kwargs)
  File "/Users/truongnguyen/vRoute_Algo/server/server.py", line 159, in algo_handler
    result = json.loads(results[process_key])
  File "<string>", line 2, in __getitem__
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/multiprocessing/managers.py", line 772, in _callmethod
    raise convert_to_error(kind, result)
KeyError: '5c04fa020bfc60873bc7d34b-5c04fa020bfc60873bc7d34b'

回溯（最近一次呼叫最后一次）：
wsgi_应用程序中的文件“/Users/trunnguyen/Library/Python/3.6/lib/Python/site packages/flask/app.py”，第2447行
response=self.full\u dispatch\u request（）
文件“/Users/trunnguyen/Library/Python/3.6/lib/Python/site-packages/flask/app.py”，第1952行，完整发送请求
rv=自身处理用户异常（e）
文件“/Users/trunnguyen/Library/Python/3.6/lib/Python/site-packages/flask_-cors/extension.py”，第165行，在wrapped_函数中
请求后返回cors（应用程序作出响应（f（*args，**kwargs）））
文件“/Users/trunnguyen/Library/Python/3.6/lib/Python/site packages/flask/app.py”，第1821行，在handle\u user\u exception中
重放（exc_类型、exc_值、tb）
文件“/Users/trunnguyen/Library/Python/3.6/lib/Python/site-packages/flask/_-compat.py”，第39行，在reraise中
增值
文件“/Users/trunnguyen/Library/Python/3.6/lib/Python/site-packages/flask/app.py”，第1950行，完整发送请求
rv=自我分派请求（）
文件“/Users/trunnguyen/Library/Python/3.6/lib/Python/site packages/flask/app.py”，第1936行，在分派请求中
返回self.view_函数[rule.endpoint]（**req.view_参数）
文件“/Users/trunnguyen/Library/Python/3.6/lib/Python/site packages/connexion/decorators/decorator.py”，第48行，在包装器中
响应=功能（请求）
文件“/Users/trunnguyen/Library/Python/3.6/lib/Python/site packages/connexion/decorators/uri_parsing.py”，第144行，在包装器中
响应=功能（请求）
包装器中的文件“/Users/trunnguyen/Library/Python/3.6/lib/Python/site packages/connexion/decorators/validation.py”，第184行
响应=功能（请求）
文件“/Users/trunnguyen/Library/Python/3.6/lib/Python/site-packages/connexion/decorators/parameter.py”，第121行，在包装器中
返回函数（**kwargs）
文件“/Users/trunnguyen/vRoute_Algo/server/server.py”，第159行，在Algo_处理器中
result=json.load（结果[process\u key]）
文件“”，第2行，在\uu getitem中__
文件“/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/multiprocessing/managers.py”，第772行，在调用方法中
引发转换为错误（种类、结果）
键错误：“5c04fa020bfc60873bc7d34b-5c04fa020bfc60873bc7d34b”

行：

result = json.loads(results[process_key])

正在从字符串创建dict，并查找键

进程\键

该键不在dict中，因此引发KeyError

---

查看

server.py

第159行的代码，看看如何避免这个问题。

使用

pipenv

或

python诗歌

可以避免这个问题。请务必发布一个“最简单的完整可验证示例”来说明您的代码，而不是期望人们猜测您正在运行的代码。。。