Fixed #10135 -- Added some import statements to docs/ref/forms/fields.txt and…

Fixed #10135 -- Added some import statements to docs/ref/forms/fields.txt and docs/ref/forms/widgets.txt to help people understand where the code lives. Thanks, Rob Hudson

git-svn-id: http://code.djangoproject.com/svn/django/trunk@9853 bcc190cf-cafb-0310-a4f2-bffc1f526a37

docs/ref/forms/fields.txt

@@ -23,6 +23,7 @@ how they work. Each ``Field`` instance has a ``clean()`` method, which takes
 a single argument and either raises a ``django.forms.ValidationError``
 exception or returns the clean value::
 
+    >>> from django import forms
     >>> f = forms.EmailField()
     >>> f.clean('foo@example.com')
     u'foo@example.com'

docs/ref/forms/widgets.txt

@@ -107,6 +107,8 @@ built-in Field classes.
 However, if you want to use a different widget for a field, you can -
 just use the 'widget' argument on the field definition. For example::
 
+    from django import forms
+
     class CommentForm(forms.Form):
         name = forms.CharField()
         url = forms.URLField()