invite_user_confirmation.py

client_user_email = validated_data['email']
try:
  client_user = User.objects.get(username=client_user_email)
except User.DoesNotExist:
  raise Exception("this email was not invited")
  
client_user.is_active=True
client_user.set_password(validated_data['password1'])
client_user.save()

token, _ = Token.objects.get_or_create(user=client_user)
return token.key