python manage.py createsuperuser
Username (leave blank to use 'fer'): pepe
Email address:
Password:
Password (again):
This password is too short. It must contain at least 8 characters.
This password is too common.
Bypass password validation and create user anyway? [y/N]: y
Traceback (most recent call last):
  File "manage.py", line 15, in <module>
    execute_from_command_line(sys.argv)
  File "/home/fer/Recetas/WebRecetas/env/lib/python3.7/site-packages/django/core/management/__init__.py", line 381, in execute_from_command_line
    utility.execute()
  File "/home/fer/Recetas/WebRecetas/env/lib/python3.7/site-packages/django/core/management/__init__.py", line 375, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/home/fer/Recetas/WebRecetas/env/lib/python3.7/site-packages/django/core/management/base.py", line 316, in run_from_argv
    self.execute(*args, **cmd_options)
  File "/home/fer/Recetas/WebRecetas/env/lib/python3.7/site-packages/django/contrib/auth/management/commands/createsuperuser.py", line 59, in execute
    return super().execute(*args, **options)
  File "/home/fer/Recetas/WebRecetas/env/lib/python3.7/site-packages/django/core/management/base.py", line 353, in execute
    output = self.handle(*args, **options)
  File "/home/fer/Recetas/WebRecetas/env/lib/python3.7/site-packages/django/contrib/auth/management/commands/createsuperuser.py", line 184, in handle
    self.UserModel._default_manager.db_manager(database).create_superuser(**user_data)
  File "/home/fer/Recetas/WebRecetas/env/lib/python3.7/site-packages/django/contrib/auth/models.py", line 161, in create_superuser
    return self._create_user(username, email, password, **extra_fields)
  File "/home/fer/Recetas/WebRecetas/env/lib/python3.7/site-packages/django/contrib/auth/models.py", line 144, in _create_user
    user.save(using=self._db)
  File "/home/fer/Recetas/WebRecetas/env/lib/python3.7/site-packages/django/contrib/auth/base_user.py", line 73, in save
    super().save(*args, **kwargs)
  File "/home/fer/Recetas/WebRecetas/env/lib/python3.7/site-packages/django/db/models/base.py", line 718, in save
    force_update=force_update, update_fields=update_fields)
  File "/home/fer/Recetas/WebRecetas/env/lib/python3.7/site-packages/django/db/models/base.py", line 758, in save_base
    update_fields=update_fields, raw=raw, using=using,
  File "/home/fer/Recetas/WebRecetas/env/lib/python3.7/site-packages/django/dispatch/dispatcher.py", line 175, in send
    for receiver in self._live_receivers(sender)
  File "/home/fer/Recetas/WebRecetas/env/lib/python3.7/site-packages/django/dispatch/dispatcher.py", line 175, in <listcomp>
    for receiver in self._live_receivers(sender)
  File "/home/fer/Recetas/WebRecetas/greenf/users/signals.py", line 10, in create_profile
    Profile.objects.create(user=instance)
  File "/home/fer/Recetas/WebRecetas/env/lib/python3.7/site-packages/django/db/models/manager.py", line 82, in manager_method
    return getattr(self.get_queryset(), name)(*args, **kwargs)
  File "/home/fer/Recetas/WebRecetas/env/lib/python3.7/site-packages/django/db/models/query.py", line 413, in create
    obj.save(force_insert=True, using=self.db)
TypeError: save() got an unexpected keyword argument 'force_insert'