Fixed deprecated library.

setup.py

@@ -35,6 +35,7 @@ def find_version(*file_paths):
         'Framework :: Django :: 2.1',
         'Framework :: Django :: 2.2',
         'Framework :: Django :: 3.0',
+        'Framework :: Django :: 4.0',
         'License :: OSI Approved :: BSD License',
         'Operating System :: OS Independent',
         'Programming Language :: Python',
@@ -46,13 +47,14 @@ def find_version(*file_paths):
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
     ],
     keywords='avatar, django',
     author='Eric Florenzano',
     author_email='[email protected]',
-    maintainer='Grant McConnaughey',
-    maintainer_email='grantmcconnaughey@gmail.com',
-    url='http://github.com/grantmcconnaughey/django-avatar/',
+    maintainer='Luis Ernesto Assandri',
+    maintainer_email='luigi.assandri@gmail.com',
+    url='http://github.com/luigi370/django-avatar/',
     license='BSD',
     packages=find_packages(exclude=['tests']),
     package_data={