1. Traceback (most recent call last):
2.   File "C:\Users\Iulian\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\db\backends\utils.py", line 84, in _execute
3.     return self.cursor.execute(sql, params)
4.   File "C:\Users\Iulian\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\db\backends\sqlite3\base.py", line 413, in execute
5.     return Database.Cursor.execute(self, query, params)
6.  
7. The above exception (NOT NULL constraint failed: todo_todoitem.content) was the direct cause of the following exception:
8.   File "C:\Users\Iulian\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\core\handlers\exception.py", line 47, in inner
9.     response = get_response(request)
10.   File "C:\Users\Iulian\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\core\handlers\base.py", line 179, in _get_response
11.     response = wrapped_callback(request, *callback_args, **callback_kwargs)
12.   File "C:\Users\Iulian\Desktop\todo\source\todo\views.py", line 14, in addtodo
13.     item.save()
14.   File "C:\Users\Iulian\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\db\models\base.py", line 753, in save
15.     self.save_base(using=using, force_insert=force_insert,
16.   File "C:\Users\Iulian\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\db\models\base.py", line 790, in save_base
17.     updated = self._save_table(
18.   File "C:\Users\Iulian\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\db\models\base.py", line 895, in _save_table
19.     results = self._do_insert(cls._base_manager, using, fields, returning_fields, raw)
20.   File "C:\Users\Iulian\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\db\models\base.py", line 933, in _do_insert
21.     return manager._insert(
22.   File "C:\Users\Iulian\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\db\models\manager.py", line 85, in manager_method
23.     return getattr(self.get_queryset(), name)(*args, **kwargs)
24.   File "C:\Users\Iulian\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\db\models\query.py", line 1249, in _insert
25.     return query.get_compiler(using=using).execute_sql(returning_fields)
26.   File "C:\Users\Iulian\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\db\models\sql\compiler.py", line 1397, in execute_sql
27.     cursor.execute(sql, params)
28.   File "C:\Users\Iulian\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\db\backends\utils.py", line 98, in execute
29.     return super().execute(sql, params)
30.   File "C:\Users\Iulian\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\db\backends\utils.py", line 66, in execute
31.     return self._execute_with_wrappers(sql, params, many=False, executor=self._execute)
32.   File "C:\Users\Iulian\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\db\backends\utils.py", line 75, in _execute_with_wrappers
33.     return executor(sql, params, many, context)
34.   File "C:\Users\Iulian\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\db\backends\utils.py", line 84, in _execute
35.     return self.cursor.execute(sql, params)
36.   File "C:\Users\Iulian\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\db\utils.py", line 90, in __exit__
37.     raise dj_exc_value.with_traceback(traceback) from exc_value
38.   File "C:\Users\Iulian\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\db\backends\utils.py", line 84, in _execute
39.     return self.cursor.execute(sql, params)
40.   File "C:\Users\Iulian\AppData\Local\Programs\Python\Python38-32\lib\site-packages\django\db\backends\sqlite3\base.py", line 413, in execute
41.     return Database.Cursor.execute(self, query, params)