Remove support for Python 3.5

issue9733

setup.py

@@ -110,7 +110,6 @@ setup(name=name,
         'Natural Language :: Turkish',
         'Operating System :: OS Independent',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: Implementation :: CPython',
@@ -118,7 +117,7 @@ setup(name=name,
         'Topic :: Office/Business',
         ],
     license='GPL-3',
-    python_requires='>=3.5',
+    python_requires='>=3.6',
     install_requires=requires,
     dependency_links=dependency_links,
     zip_safe=False,