Drop python 3.5 support

CHANGES

@@ -4,6 +4,8 @@ Release 4.0.0 (in development)
 Dependencies
 ------------
 
+* Drop python 3.5 support
+
 Incompatible changes
 --------------------
 

doc/intro.rst

@@ -55,7 +55,7 @@ See the :ref:`pertinent section in the FAQ list <usingwith>`.
 Prerequisites
 -------------
 
-Sphinx needs at least **Python 3.5** to run.
+Sphinx needs at least **Python 3.6** to run.
 It also depends on 3rd party libraries such as docutils_ and jinja2_, but they
 are automatically installed when sphinx is installed.
 

doc/usage/installation.rst

@@ -12,7 +12,7 @@ Installing Sphinx
 Overview
 --------
 
-Sphinx is written in `Python`__ and supports Python 3.5+.
+Sphinx is written in `Python`__ and supports Python 3.6+.
 
 __ https://docs.python-guide.org/
 

setup.py

@@ -10,8 +10,8 @@ import sphinx
 with open('README.rst') as f:
     long_desc = f.read()
 
-if sys.version_info < (3, 5):
-    print('ERROR: Sphinx requires at least Python 3.5 to run.')
+if sys.version_info < (3, 6):
+    print('ERROR: Sphinx requires at least Python 3.6 to run.')
     sys.exit(1)
 
 install_requires = [
@@ -198,7 +198,6 @@ setup(
         'Programming Language :: Python',
         'Programming Language :: Python :: 3',
         'Programming Language :: Python :: 3 :: Only',
-        'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: Implementation :: CPython',
@@ -238,7 +237,7 @@ setup(
             'build_sphinx = sphinx.setup_command:BuildDoc',
         ],
     },
-    python_requires=">=3.5",
+    python_requires=">=3.6",
     install_requires=install_requires,
     extras_require=extras_require,
     cmdclass=cmdclass,