1 files changed, 9 insertions, 0 deletions
diff --git a/docs/ref/forms/validation.txt b/docs/ref/forms/validation.txt
index 3aaa69b6ea..87c9764f64 100644
--- a/docs/ref/forms/validation.txt
+++ b/docs/ref/forms/validation.txt
@@ -183,6 +183,9 @@ the ``default_validators`` attribute.
 Simple validators can be used to validate values inside the field, let's have
 a look at Django's ``SlugField``::
 
+    from django.forms import CharField
+    from django.core import validators
+
     class SlugField(CharField):
         default_validators = [validators.validate_slug]
 
@@ -252,6 +255,8 @@ we want to make sure that the ``recipients`` field always contains the address
 don't want to put it into the general ``MultiEmailField`` class. Instead, we
 write a cleaning method that operates on the ``recipients`` field, like so::
 
+    from django import forms
+
     class ContactForm(forms.Form):
         # Everything as before.
         ...
@@ -289,6 +294,8 @@ common method is to display the error at the top of the form. To create such
 an error, you can raise a ``ValidationError`` from the ``clean()`` method. For
 example::
 
+    from django import forms
+
     class ContactForm(forms.Form):
         # Everything as before.
         ...
@@ -321,6 +328,8 @@ here and leaving it up to you and your designers to work out what works
 effectively in your particular situation. Our new code (replacing the previous
 sample) looks like this::
 
+    from django import forms
+
     class ContactForm(forms.Form):
         # Everything as before.
         ...