Как правильно раскрыть сложный json на python?

Спасибо!
Работает!

Как при отправке комментария передать в базу данных родителя комментария?

В модели есть. А форма из модели у меня построена. Или я что-то не понял?

Ошибка: AttributeError: 'NoneType' object has no attribute 'split'. В чем дело?

sim3x, Так как все-таки исправить ошибку? По данной ссылке я не вижу, либо не понимаю как решить ее.

Ошибка: AttributeError: 'NoneType' object has no attribute 'split'. В чем дело?

sim3x,
[29/Jun/2019 21:31:19] "GET / HTTP/1.1" 200 5141
[29/Jun/2019 21:31:34] "GET /static/music/mushroom.mp3 HTTP/1.1" 200 3989504
Traceback (most recent call last):
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\wsgiref\handlers.py", line 138, in run
self.finish_response()
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
[29/Jun/2019 21:31:34] "GET /static/music/LeMar2.mp3 HTTP/1.1" 200 3948544
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\wsgiref\handlers.py", line 279, in write
self._write(data)
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\wsgiref\handlers.py", line 453, in _write
result = self.stdout.write(data)
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\socketserver.py", line 803, in write
self._sock.sendall(b)
Traceback (most recent call last):
ConnectionResetError: [WinError 10054] Удаленный хост принудительно разорвал существующее подключение
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\wsgiref\handlers.py", line 138, in run
self.finish_response()
[29/Jun/2019 21:31:34] "GET /static/music/mushroom.mp3 HTTP/1.1" 500 59
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\wsgiref\handlers.py", line 279, in write
self._write(data)
----------------------------------------
Exception happened during processing of request from ('127.0.0.1', 54402)
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\wsgiref\handlers.py", line 453, in _write
result = self.stdout.write(data)
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\socketserver.py", line 803, in write
self._sock.sendall(b)
ConnectionResetError: [WinError 10054] Удаленный хост принудительно разорвал существующее подключение
Traceback (most recent call last):
[29/Jun/2019 21:31:34] "GET /static/music/LeMar2.mp3 HTTP/1.1" 500 59
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\wsgiref\handlers.py", line 138, in run
self.finish_response()
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\wsgiref\handlers.py", line 279, in write
self._write(data)
----------------------------------------
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\wsgiref\handlers.py", line 453, in _write
result = self.stdout.write(data)
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\socketserver.py", line 803, in write
self._sock.sendall(b)
ConnectionResetError: [WinError 10054] Удаленный хост принудительно разорвал существующее подключение
Exception happened during processing of request from ('127.0.0.1', 54403)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
Traceback (most recent call last):
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\wsgiref\handlers.py", line 141, in run
self.handle_error()
File "D:\study_dj\lib\site-packages\django\core\servers\basehttp.py", line 116, in handle_error
super().handle_error()
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\wsgiref\handlers.py", line 138, in run
self.finish_response()
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\wsgiref\handlers.py", line 368, in handle_error
self.finish_response()
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\wsgiref\handlers.py", line 279, in write
self._write(data)
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\wsgiref\handlers.py", line 274, in write
self.send_headers()
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\wsgiref\handlers.py", line 453, in _write
result = self.stdout.write(data)
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\wsgiref\handlers.py", line 331, in send_headers
if not self.origin_server or self.client_is_modern():
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\socketserver.py", line 803, in write
self._sock.sendall(b)
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\wsgiref\handlers.py", line 344, in client_is_modern
return self.environ['SERVER_PROTOCOL'].upper() != 'HTTP/0.9'
ConnectionResetError: [WinError 10054] Удаленный хост принудительно разорвал существующее подключение
TypeError: 'NoneType' object is not subscriptable

During handling of the above exception, another exception occurred:

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
Traceback (most recent call last):
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\wsgiref\handlers.py", line 141, in run
self.handle_error()
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\socketserver.py", line 654, in process_request_thread
self.finish_request(request, client_address)
File "D:\study_dj\lib\site-packages\django\core\servers\basehttp.py", line 116, in handle_error
super().handle_error()
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\socketserver.py", line 364, in finish_request
self.RequestHandlerClass(request, client_address, self)
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\wsgiref\handlers.py", line 368, in handle_error
self.finish_response()
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\socketserver.py", line 724, in __init__
self.handle()
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\study_dj\lib\site-packages\django\core\servers\basehttp.py", line 171, in handle
self.handle_one_request()
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\wsgiref\handlers.py", line 274, in write
self.send_headers()
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\wsgiref\handlers.py", line 331, in send_headers
if not self.origin_server or self.client_is_modern():
File "D:\study_dj\lib\site-packages\django\core\servers\basehttp.py", line 194, in handle_one_request
handler.run(self.server.get_app())
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\wsgiref\handlers.py", line 344, in client_is_modern
return self.environ['SERVER_PROTOCOL'].upper() != 'HTTP/0.9'
TypeError: 'NoneType' object is not subscriptable
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\wsgiref\handlers.py", line 144, in run
self.close()
File "D:\study_dj\lib\site-packages\django\core\servers\basehttp.py", line 111, in close
super().close()

During handling of the above exception, another exception occurred:

File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\wsgiref\simple_server.py", line 35, in close
self.status.split(' ',1)[0], self.bytes_sent
Traceback (most recent call last):
AttributeError: 'NoneType' object has no attribute 'split'
----------------------------------------
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\socketserver.py", line 654, in process_request_thread
self.finish_request(request, client_address)
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\socketserver.py", line 364, in finish_request
self.RequestHandlerClass(request, client_address, self)
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\socketserver.py", line 724, in __init__
self.handle()
File "D:\study_dj\lib\site-packages\django\core\servers\basehttp.py", line 169, in handle
self.handle_one_request()
File "D:\study_dj\lib\site-packages\django\core\servers\basehttp.py", line 194, in handle_one_request
handler.run(self.server.get_app())
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\wsgiref\handlers.py", line 144, in run
self.close()
File "D:\study_dj\lib\site-packages\django\core\servers\basehttp.py", line 111, in close
super().close()
File "C:\Users\LeMaR\AppData\Local\Programs\Python\Python36\lib\wsgiref\simple_server.py", line 35, in close
self.status.split(' ',1)[0], self.bytes_sent
AttributeError: 'NoneType' object has no attribute 'split'
----------------------------------------