Drop support for EOL Python 3.3

.travis.yml

@@ -2,7 +2,6 @@ language: python
 
 python:
     - "2.7"
-    - "3.3"
     - "3.4"
     - "3.5"
     - "3.6"
@@ -30,7 +29,7 @@ script:
     - python test/acid.py -aaa --experimental test/example.py
     - python test/acid.py -aaa --experimental test/example_with_reduce.py
 
-    - if [ "$TRAVIS_PYTHON_VERSION" == "3.3" ]; then python -m doctest -v README.rst; fi
+    - if [ "$TRAVIS_PYTHON_VERSION" == "3.6" ]; then python -m doctest -v README.rst; fi
 
     - if [[ "$TRAVIS_PYTHON_VERSION" != "pypy"* ]]; then pycodestyle autopep8.py; fi
     - if [[ "$TRAVIS_PYTHON_VERSION" != "pypy"* ]]; then pip install pyflakes; pyflakes autopep8.py; fi

README.rst

@@ -316,7 +316,7 @@ Testing
 Test cases are in ``test/test_autopep8.py``. They can be run directly via
 ``python test/test_autopep8.py`` or via tox_. The latter is useful for
 testing against multiple Python interpreters. (We currently test against
-CPython versions 2.7, 3.3, 3.4, 3.5 and 3.6. We also test against PyPy.)
+CPython versions 2.7, 3.4, 3.5 and 3.6. We also test against PyPy.)
 
 .. _`tox`: https://pypi.python.org/pypi/tox
 

autopep8.py

@@ -3228,7 +3228,7 @@ def global_fixes():
 
 def _get_parameters(function):
     # pylint: disable=deprecated-method
-    if sys.version_info >= (3, 3):
+    if sys.version_info.major >= 3:
         # We need to match "getargspec()", which includes "self" as the first
         # value for methods.
         # https://bugs.python.org/issue17481#msg209469

setup.py

@@ -43,7 +43,6 @@ def version():
             'Programming Language :: Python :: 2',
             'Programming Language :: Python :: 2.7',
             'Programming Language :: Python :: 3',
-            'Programming Language :: Python :: 3.3',
             'Programming Language :: Python :: 3.4',
             'Programming Language :: Python :: 3.5',
             'Programming Language :: Python :: 3.6',

test/example_with_reduce.py

@@ -66,7 +66,7 @@ def execfile(fn, globs=None, locs=None):
 from os.path import isdir, split
 
 # Avoid try/except due to potential problems with delayed import mechanisms.
-if sys.version_info >= (3, 3) and sys.implementation.name == "cpython":
+if sys.version_info.major >= 3 and sys.implementation.name == "cpython":
     import importlib._bootstrap as importlib_bootstrap
 else:
     importlib_bootstrap = None
@@ -1292,7 +1292,7 @@ def has_resource(self, resource_name):
     def has_metadata(self, name):
         return self.egg_info and self._has(self._fn(self.egg_info,name))
 
-    if sys.version_info <= (3,):
+    if sys.version_info.major == 2:
         def get_metadata(self, name):
             if not self.egg_info:
                 return ""

test/test_autopep8.py

@@ -6167,7 +6167,7 @@ def test_e501_experimental_with_in(self):
         with autopep8_context(line, options=['--experimental']) as result:
             self.assertEqual(fixed, result)
 
-    @unittest.skipIf(sys.version_info >= (3, ), 'syntax error in Python3')
+    @unittest.skipIf(sys.version_info.major >= 3, 'syntax error in Python3')
     def test_e501_print_isnot_function(self):
         line = """\
 

test/vim_autopep8.py

@@ -17,14 +17,14 @@
 
 
 def encode(text):
-    if sys.version_info[0] >= 3:
+    if sys.version_info.major >= 3:
         return text
     else:
         return text.encode(ENCODING)
 
 
 def decode(text):
-    if sys.version_info[0] >= 3:
+    if sys.version_info.major >= 3:
         return text
     else:
         return text.decode(ENCODING)

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist=py27,py33,py34,py35,py36
+envlist=py27,py34,py35,py36
 
 [testenv]
 commands=