title: ArrayField missing 1 required positional argument
body: <p>I have imported the following header file</p>
  
  <pre><code>from django.contrib.postgres.fields import ArrayField
  </code></pre>
  
  <p>Used the following in the model</p>
  
  <pre><code>question_array = ArrayField(models.IntegerField, blank=True,)
  </code></pre>
  
  <p>i get the following error</p>
  
  <pre><code>Traceback (most recent call last)
    File "C:\Program Files (x86)\Python\Python35-32\lib\site-packages\django-1.10.4-py3.5.egg\django\__init__.py", line 27, in setup
      apps.populate(settings.INSTALLED_APPS)
    File "C:\Program Files (x86)\Python\Python35-32\lib\site-packages\django-1.10.4-py3.5.egg\django\apps\registry.py", line 108, in populate
      app_config.import_models(all_models)
    File "C:\Program Files (x86)\Python\Python35-32\lib\site-packages\django-1.10.4-py3.5.egg\django\apps\config.py", line 199, in import_models
      self.models_module = import_module(models_module_name)
    File "C:\Program Files (x86)\Python\Python35-32\lib\importlib\__init__.py", line 126, in import_module
      return _bootstrap._gcd_import(name[level:], package, level)
    File "&lt;frozen importlib._bootstrap&gt;", line 986, in _gcd_import
    File "&lt;frozen importlib._bootstrap&gt;", line 969, in _find_and_load
    File "&lt;frozen importlib._bootstrap&gt;", line 958, in _find_and_load_unlocked
    File "&lt;frozen importlib._bootstrap&gt;", line 673, in _load_unlocked
    File "&lt;frozen importlib._bootstrap_external&gt;", line 665, in exec_module
    File "&lt;frozen importlib._bootstrap&gt;", line 222, in _call_with_frames_removed
    File "C:\Users\DELL\Desktop\cstrom\comp\models.py", line 24, in &lt;module&gt;
      class User(models.Model):
    File "C:\Program Files (x86)\Python\Python35-32\lib\site-packages\django-1.10.4-py3.5.egg\django\db\models\base.py", line 157, in __new__
      new_class.add_to_class(obj_name, obj)
    File "C:\Program Files (x86)\Python\Python35-32\lib\site-packages\django-1.10.4-py3.5.egg\django\db\models\base.py", line 316, in add_to_class
      value.contribute_to_class(cls, name)
    File "C:\Program Files (x86)\Python\Python35-32\lib\site-packages\django-1.10.4-py3.5.egg\django\db\models\fields\__init__.py", line 689, in contribute_to_class
      self.set_attributes_from_name(name)
    File "C:\Program Files (x86)\Python\Python35-32\lib\site-packages\django-1.10.4-py3.5.egg\django\contrib\postgres\fields\array.py", line 75, in set_attributes_from_name
      self.base_field.set_attributes_from_name(name)
  TypeError: set_attributes_from_name() missing 1 required positional argument: 'name'
  </code></pre>