diff --git a/django/contrib/gis/db/backends/base.py b/django/contrib/gis/db/backends/base.py
index 2a62d97abf..c8bb3d2f93 100644
--- a/django/contrib/gis/db/backends/base.py
+++ b/django/contrib/gis/db/backends/base.py
@@ -121,7 +121,7 @@ class BaseSpatialOperations(object):
         raise NotImplementedError('Aggregate support not implemented for this spatial backend.')
 
     def spatial_lookup_sql(self, lvalue, lookup_type, value, field):
-        raise NotImplmentedError
+        raise NotImplementedError
 
     # Routines for getting the OGC-compliant models.
     def geometry_columns(self):
diff --git a/django/db/models/fields/__init__.py b/django/db/models/fields/__init__.py
index 4362c047c3..b786b7bf11 100644
--- a/django/db/models/fields/__init__.py
+++ b/django/db/models/fields/__init__.py
@@ -967,7 +967,7 @@ class GenericIPAddressField(Field):
         if value and ':' in value:
             try:
                 return clean_ipv6_address(value, self.unpack_ipv4)
-            except ValidationError:
+            except exceptions.ValidationError:
                 pass
         return value
 
diff --git a/django/views/debug.py b/django/views/debug.py
index 58d271b860..4cbe101b0f 100644
--- a/django/views/debug.py
+++ b/django/views/debug.py
@@ -5,6 +5,7 @@ import sys
 import types
 
 from django.conf import settings
+from django.core.exceptions import ImproperlyConfigured
 from django.http import (HttpResponse, HttpResponseServerError,
     HttpResponseNotFound, HttpRequest, build_request_repr)
 from django.template import (Template, Context, TemplateDoesNotExist,
@@ -79,7 +80,7 @@ def get_exception_reporter_filter(request):
         try:
             default_exception_reporter_filter = getattr(mod, classname)()
         except AttributeError:
-            raise exceptions.ImproperlyConfigured('Default exception reporter filter module "%s" does not define a "%s" class' % (modname, classname))
+            raise ImproperlyConfigured('Default exception reporter filter module "%s" does not define a "%s" class' % (modname, classname))
     if request:
         return getattr(request, 'exception_reporter_filter', default_exception_reporter_filter)
     else:
diff --git a/django/views/generic/dates.py b/django/views/generic/dates.py
index 128f71ced0..c10db3004d 100644
--- a/django/views/generic/dates.py
+++ b/django/views/generic/dates.py
@@ -210,9 +210,9 @@ class BaseDateListView(MultipleObjectMixin, DateMixin, View):
 
         date_list = queryset.dates(date_field, date_type)[::-1]
         if date_list is not None and not date_list and not allow_empty:
-            raise Http404(_(u"No %(verbose_name_plural)s available") % {
-                    'verbose_name_plural': force_unicode(qs.model._meta.verbose_name_plural)
-            })
+            name = force_unicode(queryset.model._meta.verbose_name_plural)
+            raise Http404(_(u"No %(verbose_name_plural)s available") %
+                          {'verbose_name_plural': name})
 
         return date_list