diff --git a/issue/models.py b/issue/models.py
index 6cf97a7..9c7fe5d 100644
--- a/issue/models.py
+++ b/issue/models.py
@@ -16,7 +16,7 @@ from colorful.fields import RGBColorField
 
 import json
 
-from issue.templatetags.issue_tags import same_milestone, same_label, label_style, labeled
+from issue.templatetags.issue_tags import *
 
 
 class User(auth.models.User):
@@ -342,8 +342,10 @@ class Event(models.Model):
                 action = 'removed'
             description = '%s the <a href="%s" class="label" ' \
                           'style="%s">%s</a> label' \
-                          % (action, same_label(label), label_style(label), label)
-        elif self.code == Event.SET_MILESTONE or self.code == Event.UNSET_MILESTONE:
+                          % (action, same_label(label),
+                             label_style(label), label)
+        elif self.code == Event.SET_MILESTONE \
+                or self.code == Event.UNSET_MILESTONE:
             milestone = Milestone(name=args['milestone'],
                     project=self.issue.project)
             if self.code == Event.SET_MILESTONE:
diff --git a/issue/notifications.py b/issue/notifications.py
index a79c370..5ff75b4 100644
--- a/issue/notifications.py
+++ b/issue/notifications.py
@@ -18,7 +18,7 @@ def notify_new_issue(issue):
     else:
         return
 
-    subject = "[%s] %s" %(project, issue.title)
+    subject = "[%s] %s" % (project, issue.title)
 
     data = []
     for dest in dests:
@@ -32,14 +32,14 @@ def notify_new_issue(issue):
 
         c = {
             'description': issue.description,
-            'uri': settings.BASE_URL \
-                + reverse('show-issue', args=[project.name, issue.id]),
+            'uri': settings.BASE_URL + reverse('show-issue',
+                args=[project.name, issue.id]),
         }
 
         message = render_to_string('emails/new_issue.html', c)
 
         data += [(subject, message,
-            "%s <%s>" %(issue.author.username, from_addr), [dest_addr])]
+            "%s <%s>" % (issue.author.username, from_addr), [dest_addr])]
 
     send_mass_mail(tuple(data))
 
@@ -70,7 +70,7 @@ def notify_event(event, template):
     else:
         return
 
-    subject = "Re: [%s] %s" %(project, issue.title)
+    subject = "Re: [%s] %s" % (project, issue.title)
 
     data = []
 
@@ -85,13 +85,13 @@ def notify_event(event, template):
 
         c = {
             'comment': event.additionnal_section,
-            'uri': settings.BASE_URL \
-                + reverse('show-issue', args=[project.name, issue.id]),
+            'uri': settings.BASE_URL + reverse('show-issue',
+                args=[project.name, issue.id]),
         }
 
         message = render_to_string('emails/%s.html' % template, c)
 
         data += [(subject, message,
-            '%s <%s>' %(event.author.username, from_addr), [dest_addr])]
+            '%s <%s>' % (event.author.username, from_addr), [dest_addr])]
 
     send_mass_mail(tuple(data))
diff --git a/issue/templatetags/issue_filters.py b/issue/templatetags/issue_filters.py
index 68457e2..b6f3ca9 100644
--- a/issue/templatetags/issue_filters.py
+++ b/issue/templatetags/issue_filters.py
@@ -14,6 +14,7 @@ def boolean(value):
     return mark_safe('<span class="glyphicon glyphicon-'
             + glyph + '" style="vertical-align: middle;"></span>')
 
+
 @register.filter
 def first_few(items, arg='item', max_items=5):
     if items.exists():
@@ -21,7 +22,7 @@ def first_few(items, arg='item', max_items=5):
             return ', '.join(map(lambda x: x.__str__(), items.all()))
         else:
             r = ', '.join(map(lambda x: x.__str__(),
-                items.all()[0:max_items-1]))
+                items.all()[0:max_items - 1]))
             plural = 's' if items.count() > max_items else ''
             r += ', ... (%s other%s)' \
                 % (items.count() - max_items + 1, plural)
diff --git a/issue/views.py b/issue/views.py
index 5877dbf..b33d706 100644
--- a/issue/views.py
+++ b/issue/views.py
@@ -938,11 +938,13 @@ def project_subscribe(request, project):
     user = User.objects.get(username=request.user.username)
 
     if project.subscribers.filter(username=user.username).exists():
-        messages.warning(request, 'You are already subscribed to this project.')
+        messages.warning(request,
+                'You are already subscribed to this project.')
     else:
         project.subscribers.add(user)
         project.save()
-        messages.success(request, 'You have been subscribed to this project successfully.')
+        messages.success(request,
+                'You have been subscribed to this project successfully.')
 
     next = request.GET.get('next')
     if next:
@@ -959,7 +961,8 @@ def project_unsubscribe(request, project):
     if project.subscribers.filter(username=user.username).exists():
         project.subscribers.remove(user)
         project.save()
-        messages.success(request, 'You will not receive any notifications for this project anymore.')
+        messages.success(request, 'You will not receive any notifications '
+                                  'for this project anymore.')
     else:
         messages.warning(request, 'You are not subscribed to this project.')
 
@@ -981,7 +984,8 @@ def issue_subscribe(request, project, issue):
     else:
         issue.subscribers.add(user)
         issue.save()
-        messages.success(request, 'You have been subscribed to this issue successfully.')
+        messages.success(request,
+                'You have been subscribed to this issue successfully.')
 
     return redirect('show-issue', project.name, issue.id)
 
@@ -995,7 +999,8 @@ def issue_unsubscribe(request, project, issue):
     if issue.subscribers.filter(username=user.username).exists():
         issue.subscribers.remove(user)
         issue.save()
-        messages.success(request, 'You will not receive any notifications for this issue anymore.')
+        messages.success(request, 'You will not receive any notifications '
+                                  'for this issue anymore.')
     else:
         messages.warning(request, 'You are not subscribed to this issue.')