Django Admin Console geben 'str' Objekt hat kein Attribut '__iter__' Fehler

Question

Ich versuche, einige Änderungen in den Feldern mit Djangos in der Admin-Konsole gebaut.Es gibt mir 'str' Objekt hat kein Attribut 'iter' Ausnahmefehler, wenn ich versuche, einige Felder in den models.These Felder zu ändern sind Fremdschlüssel

PROJECT MODEL Fehler verursacht, wenn ich die MANAGER Feldänderung

class Project(models.Model): 
    """Project Model. 
    """ 
    name = models.CharField(unique=True, max_length=255) 
    manager = models.ForeignKey('Employee', blank=True, null=True) 
    project = models.Manager() 



class Employee(models.Model): 
    """ 
    Employee Model. 
    """ 
    first_name = models.CharField(max_length=255) 
    last_name = models.CharField(max_length=255) 
    email = models.CharField(
     unique=True, 
     max_length=255, 
     blank=True, 
     null=True) 
    projects = models.ManyToManyField('Project', blank=True) 
    employee = models.Manager() 

TRACEBACK

Traceback: 

File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/exception.py" in inner 
    39.    response = get_response(request) 

File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py" in _legacy_get_response 
    249.    response = self._get_response(request) 

File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py" in _get_response 
    187.     response = self.process_exception_by_middleware(e, request) 

File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py" in _get_response 
    185.     response = wrapped_callback(request, *callback_args, **callback_kwargs) 

File "/usr/local/lib/python2.7/dist-packages/django/contrib/admin/options.py" in wrapper 
    544.     return self.admin_site.admin_view(view)(*args, **kwargs) 

File "/usr/local/lib/python2.7/dist-packages/django/utils/decorators.py" in _wrapped_view 
    149.      response = view_func(request, *args, **kwargs) 

File "/usr/local/lib/python2.7/dist-packages/django/views/decorators/cache.py" in _wrapped_view_func 
    57.   response = view_func(request, *args, **kwargs) 

File "/usr/local/lib/python2.7/dist-packages/django/contrib/admin/sites.py" in inner 
    211.    return view(request, *args, **kwargs) 

File "/usr/local/lib/python2.7/dist-packages/django/contrib/admin/options.py" in change_view 
    1512.   return self.changeform_view(request, object_id, form_url, extra_context) 

File "/usr/local/lib/python2.7/dist-packages/django/utils/decorators.py" in _wrapper 
    67.    return bound_func(*args, **kwargs) 

File "/usr/local/lib/python2.7/dist-packages/django/utils/decorators.py" in _wrapped_view 
    149.      response = view_func(request, *args, **kwargs) 

File "/usr/local/lib/python2.7/dist-packages/django/utils/decorators.py" in bound_func 
    63.     return func.__get__(self, type(self))(*args2, **kwargs2) 

File "/usr/local/lib/python2.7/dist-packages/django/utils/decorators.py" in inner 
    185.      return func(*args, **kwargs) 

File "/usr/local/lib/python2.7/dist-packages/django/contrib/admin/options.py" in changeform_view 
    1451.     change_message = self.construct_change_message(request, form, formsets, add) 

File "/usr/local/lib/python2.7/dist-packages/django/utils/decorators.py" in inner 
    185.      return func(*args, **kwargs) 

File "/usr/local/lib/python2.7/dist-packages/django/contrib/admin/options.py" in construct_change_message 
    942.   elif form.changed_data: 

File "/usr/local/lib/python2.7/dist-packages/django/utils/functional.py" in __get__ 
    35.   res = instance.__dict__[self.name] = self.func(instance) 

File "/usr/local/lib/python2.7/dist-packages/django/forms/forms.py" in changed_data 
    447.    if field.has_changed(initial_value, data_value): 

File "/usr/local/lib/python2.7/dist-packages/django/forms/fields.py" in has_changed 
    1075.     initial = field.to_python(initial) 

File "/usr/local/lib/python2.7/dist-packages/django/forms/fields.py" in to_python 
    424.   return super(DateField, self).to_python(value) 

File "/usr/local/lib/python2.7/dist-packages/django/forms/fields.py" in to_python 
    395.    for format in self.input_formats: 

File "/usr/local/lib/python2.7/dist-packages/django/utils/functional.py" in __wrapper__ 
    112.     return getattr(res, method_name)(*args, **kw) 

Exception Type: AttributeError at /admin/login/project/2/change/ 
Exception Value: 'str' object has no attribute '__iter__' 

admin.py Datei

from django.contrib import admin 
from models import * 


admin.site.register(Employee) 
admin.site.register(Project) 

Answer 1

ich dieses Problem habe mich hatte. Ich habe von Django 1.10 auf 1.10.2 aufgerüstet und das scheint es für mich behoben zu haben. Viel Glück.