diff --git a/pure_pagination/paginator.py b/pure_pagination/paginator.py
index 567b822..a90d743 100644
--- a/pure_pagination/paginator.py
+++ b/pure_pagination/paginator.py
@@ -1,4 +1,4 @@
-import collections
+from collections.abc import Iterable
 
 from django.core.paginator import InvalidPage, EmptyPage, PageNotAnInteger
 from django.conf import settings
@@ -102,7 +102,7 @@ def wrapper(self, *args, **kwargs):
         if isinstance(result, int):
             querystring = self._other_page_querystring(result)
             return PageRepresentation(result, querystring)
-        elif isinstance(result, collections.Iterable):
+        elif isinstance(result, Iterable):
             new_result = []
             for number in result:
                 if isinstance(number, int):
@@ -129,7 +129,7 @@ def __init__(self, object_list, number, paginator):
         self.number = PageRepresentation(number, self._other_page_querystring(number))
 
     def __repr__(self):
-        return '<Page %s of %s>' % (self.number, self.paginator.num_pages)
+        return f'<Page {self.number} of {self.paginator.num_pages}>'
 
     def has_next(self):
         return self.number < self.paginator.num_pages
@@ -206,7 +206,7 @@ def _other_page_querystring(self, page_number):
             return self.base_queryset.urlencode()
 
         # raise Warning("You must supply Paginator() with the request object for a proper querystring.")
-        return 'page=%s' % page_number
+        return f'page={page_number}'
 
     def render(self):
         return render_to_string('pure_pagination/pagination.html', {
diff --git a/setup.py b/setup.py
index 3168c9e..b715043 100644
--- a/setup.py
+++ b/setup.py
@@ -12,10 +12,10 @@
     url='https://github.com/jamespacileo/django-pure-pagination/',
     author='James Pacileo',
     author_email='jamespacileo@gmail.com',
-    description='''django-pure-pagination provides advanced pagination features
-                   and is fully compatible with existing code based on Django's
-                   core 
-                   pagination module. (aka no need to rewrite code!)''',
+    description=('django-pure-pagination provides advanced pagination features'
+                 ' and is fully compatible with existing code based on Django\'s'
+                 ' core'
+                 ' pagination module. (aka no need to rewrite code!)'),
     long_description=README,
     license='BSD',
     packages=find_packages(),
@@ -39,4 +39,4 @@
         'Topic :: Internet :: WWW/HTTP :: WSGI',
         'Topic :: Software Development :: Libraries :: Python Modules',
     ],
-)
\ No newline at end of file
+)