Problem in the backend with JSON #20
Description
Error message :
Traceback (most recent call last):
File "C:\Users\achra.conda\envs\attendance-system\lib\site-packages\flask\app.py", line 2091, in call
return self.wsgi_app(environ, start_response)
File "C:\Users\achra.conda\envs\attendance-system\lib\site-packages\flask\app.py", line 2076, in wsgi_app
response = self.handle_exception(e)
File "C:\Users\achra.conda\envs\attendance-system\lib\site-packages\flask_cors\extension.py", line 165, in wrapped_function
return cors_after_request(app.make_response(f(*args, **kwargs)))
File "C:\Users\achra.conda\envs\attendance-system\lib\site-packages\flask_restful_init_.py", line 271, in error_router
return original_handler(e)
File "C:\Users\achra.conda\envs\attendance-system\lib\site-packages\flask\app.py", line 2073, in wsgi_app
response = self.full_dispatch_request()
File "C:\Users\achra.conda\envs\attendance-system\lib\site-packages\flask\app.py", line 1518, in full_dispatch_request
rv = self.handle_user_exception(e)
File "C:\Users\achra.conda\envs\attendance-system\lib\site-packages\flask_cors\extension.py", line 165, in wrapped_function
return cors_after_request(app.make_response(f(*args, **kwargs)))
File "C:\Users\achra.conda\envs\attendance-system\lib\site-packages\flask_restful_init_.py", line 271, in error_router
return original_handler(e)
File "C:\Users\achra.conda\envs\attendance-system\lib\site-packages\flask\app.py", line 1516, in full_dispatch_request
rv = self.dispatch_request()
File "C:\Users\achra.conda\envs\attendance-system\lib\site-packages\flask\app.py", line 1502, in dispatch_request
return self.ensure_sync(self.view_functions[rule.endpoint])(**req.view_args)
File "C:\Users\achra.conda\envs\attendance-system\lib\site-packages\flask_restful_init_.py", line 471, in wrapper
return self.make_response(data, code, headers=headers)
File "C:\Users\achra.conda\envs\attendance-system\lib\site-packages\flask_restful_init_.py", line 500, in make_response
resp = self.representations[mediatype](data, *args, **kwargs)
File "C:\Users\achra.conda\envs\attendance-system\lib\site-packages\flask_restful\representations\json.py", line 21, in output_json
dumped = dumps(data, **settings) + "\n"
File "C:\Users\achra.conda\envs\attendance-system\lib\json_init_.py", line 238, in dumps
**kw).encode(obj)
File "C:\Users\achra.conda\envs\attendance-system\lib\json\encoder.py", line 201, in encode
chunks = list(chunks)
File "C:\Users\achra.conda\envs\attendance-system\lib\json\encoder.py", line 438, in _iterencode
o = _default(o)
File "C:\Users\achra.conda\envs\attendance-system\lib\json\encoder.py", line 179, in default
raise TypeError(f'Object of type {o.class.name} '
TypeError: Object of type function is not JSON serializable