我使用flask并且connexion对于我的 api，我从 swagger 编辑器获得了 python 服务器存根，它是基于 api 规范生成的。但是，我的端点之一使用json数据发出请求，它应该由 json 模式验证器进行验证。我为此使用jsonschema了python库。但是，现在当我使用示例 json 数据测试端点时，出现以下异常：
> (env) C:\Users\kim\imm_python_server>python -m test_server
> * Serving Flask app "__main__" (lazy loading)
> * Environment: production
> WARNING: This is a development server. Do not use it in a production deployment.
> Use a production WSGI server instead.
> * Debug mode: off
> * Running on http://0.0.0.0:8080/ (Press CTRL+C to quit)
> 127.0.0.1 - - [18/May/2020 20:14:07] "[37mGET /api/v1/ui/ HTTP/1.1[0m" 200 -
> 127.0.0.1 - - [18/May/2020 20:14:07] "[37mGET /api/v1/ui/favicon-32x32.png HTTP/1.1[0m" 200 -
> 127.0.0.1 - - [18/May/2020 20:14:07] "[37mGET /api/v1/openapi.json HTTP/1.1[0m" 200 -
> 127.0.0.1 - - [18/May/2020 20:14:13] "[1m[31mGET /api/v1/about HTTP/1.1[0m" 401 -
> 127.0.0.1 - - [18/May/2020 20:14:25] "[37mGET /api/v1/about HTTP/1.1[0m" 200 -
> C:\Users\kim\AppData\Local\Programs\Python\Python37\lib\site-packages\connexion\apis\flask_api.py:199:
> FutureWarning: Implicit (flask) JSON serialization will change in the
> next major version. This is triggered because a response body is being
> serialized as JSON even though the mimetype is not a JSON type. This
> will be replaced by something that is mimetype-specific and may raise
> an error instead of silently converting everything to JSON. Please
> make sure to specify media/mime types in your specs.
> FutureWarning # a Deprecation targeted at application users.
> 127.0.0.1 - - [18/May/2020 20:14:38] "[37mGET /api/v1/rsession HTTP/1.1[0m" 200 -
> [2020-05-18 20:14:50,506] ERROR in app: Exception on /api/v1/immunomatch_ed [POST]
> Traceback (most recent call last):
> File "C:\Users\kim\AppData\Local\Programs\Python\Python37\lib\site-packages\flask\app.py",
> line 2447, in wsgi_app
> response = self.full_dispatch_request()
> File "C:\Users\kim\AppData\Local\Programs\Python\Python37\lib\site-packages\flask\app.py",
> line 1952, in full_dispatch_request
> rv = self.handle_user_exception(e)
> File "C:\Users\kim\AppData\Local\Programs\Python\Python37\lib\site-packages\flask\app.py",
> line 1821, in handle_user_exception
> reraise(exc_type, exc_value, tb)
> File "C:\Users\kim\AppData\Local\Programs\Python\Python37\lib\site-packages\flask\_compat.py",
> line 39, in reraise
> raise value
> File "C:\Users\kim\AppData\Local\Programs\Python\Python37\lib\site-packages\flask\app.py",
> line 1950, in full_dispatch_request
> rv = self.dispatch_request()
> File "C:\Users\kim\AppData\Local\Programs\Python\Python37\lib\site-packages\flask\app.py",
> line 1936, in dispatch_request
> return self.view_functions[rule.endpoint](**req.view_args)
> File "C:\Users\kim\AppData\Local\Programs\Python\Python37\lib\site-packages\connexion\decorators\decorator.py",
> line 48, in wrapper
> response = function(request)
> File "C:\Users\kim\AppData\Local\Programs\Python\Python37\lib\site-packages\connexion\decorators\security.py",
> line 327, in wrapper
> return function(request)
> File "C:\Users\kim\AppData\Local\Programs\Python\Python37\lib\site-packages\connexion\decorators\uri_parsing.py",
> line 144, in wrapper
> response = function(request)
> File "C:\Users\kim\AppData\Local\Programs\Python\Python37\lib\site-packages\connexion\decorators\validation.py",
> line 158, in wrapper
> self.validate_schema(data, request.url)
> File "C:\Users\kim\AppData\Local\Programs\Python\Python37\lib\site-packages\connexion\decorators\validation.py",
> line 195, in validate_schema
> self.validator.validate(data)
> File "C:\Users\kim\AppData\Local\Programs\Python\Python37\lib\site-packages\jsonschema\validators.py",
> line 122, in validate
> for error in self.iter_errors(*args, **kwargs):
> File "C:\Users\kim\AppData\Local\Programs\Python\Python37\lib\site-packages\jsonschema\validators.py",
> line 98, in iter_errors
> for error in errors:
> File "C:\Users\kim\AppData\Local\Programs\Python\Python37\lib\site-packages\jsonschema\_validators.py",
> line 291, in properties_draft4
> schema_path=property,
> File "C:\Users\kim\AppData\Local\Programs\Python\Python37\lib\site-packages\jsonschema\validators.py",
> line 114, in descend
> for error in self.iter_errors(instance, schema):
> File "C:\Users\kim\AppData\Local\Programs\Python\Python37\lib\site-packages\jsonschema\validators.py",
> line 98, in iter_errors
> for error in errors:
> File "C:\Users\kim\AppData\Local\Programs\Python\Python37\lib\site-packages\connexion\json_schema.py",
> line 64, in validate_type
> if not any(validator.is_type(instance, type) for type in types):
> File "C:\Users\kim\AppData\Local\Programs\Python\Python37\lib\site-packages\connexion\json_schema.py",
> line 64, in <genexpr>
> if not any(validator.is_type(instance, type) for type in types):
> File "C:\Users\kim\AppData\Local\Programs\Python\Python37\lib\site-packages\jsonschema\validators.py",
> line 127, in is_type
> raise UnknownType(type, instance, self.schema)
> jsonschema.exceptions.UnknownType:
> Unknown type 'str' for validator with schema, While checking instance:0
我的 python 依赖项
这是我的python依赖：
connexion == 2.6.0 swagger-ui-bundle == 0.0.2 python_dateutil == 2.6.0 setuptools >= 21.0.0 Werkzeug==0.16.1
我完全不明白为什么会出现此错误，我相信这是来自jsonschema. 我怎样才能让这一切顺利进行？任何人都可能猜到这是怎么回事？任何想法？谢谢