[1.8.x] Used PEP 8 style indentation in forms docs.

Backport of b9bf61ce61 from master

docs/ref/forms/validation.txt

@@ -365,8 +365,10 @@ example::
             if cc_myself and subject:
                 # Only do something if both fields are valid so far.
                 if "help" not in subject:
-                    raise forms.ValidationError("Did not send for 'help' in "
-                            "the subject despite CC'ing yourself.")
+                    raise forms.ValidationError(
+                        "Did not send for 'help' in the subject despite "
+                        "CC'ing yourself."
+                    )
 
 .. versionchanged:: 1.7
 

docs/ref/forms/widgets.txt

@@ -56,9 +56,11 @@ for a :class:`~django.forms.extras.widgets.SelectDateWidget`::
     from django.forms.extras.widgets import SelectDateWidget
 
     BIRTH_YEAR_CHOICES = ('1980', '1981', '1982')
-    FAVORITE_COLORS_CHOICES = (('blue', 'Blue'),
+    FAVORITE_COLORS_CHOICES = (
+        ('blue', 'Blue'),
         ('green', 'Green'),
-                                ('black', 'Black'))
+        ('black', 'Black'),
+    )
 
     class SimpleForm(forms.Form):
         birth_year = forms.DateField(widget=SelectDateWidget(years=BIRTH_YEAR_CHOICES))
@@ -354,8 +356,11 @@ foundation for custom widgets.
                     widget.value_from_datadict(data, files, name + '_%s' % i)
                     for i, widget in enumerate(self.widgets)]
                 try:
-                    D = date(day=int(datelist[0]), month=int(datelist[1]),
-                            year=int(datelist[2]))
+                    D = date(
+                        day=int(datelist[0]),
+                        month=int(datelist[1]),
+                        year=int(datelist[2]),
+                    )
                 except ValueError:
                     return ''
                 else: