backported 3.3 and 3.4 support drop

Author: MSeal

.travis.yml

@@ -2,8 +2,6 @@ language: python
 python:
     - 3.6
     - 3.5
-    - 3.4
-    - 3.3
     - 2.7
 sudo: false
 install:

setup.py

@@ -16,8 +16,8 @@
 import sys
 
 v = sys.version_info
-if v[:2] < (2,7) or (v[0] >= 3 and v[:2] < (3,3)):
-    error = "ERROR: %s requires Python version 2.7 or 3.3 or above." % name
+if v[:2] < (2, 7) or (v[0] >= 3 and v[:2] < (3, 5)):
+    error = "ERROR: %s requires Python version 2.7 or 3.5 or above." % name
     print(error, file=sys.stderr)
     sys.exit(1)
 
@@ -93,11 +93,9 @@ def run(self):
         'python-dateutil>=2.1',
         'tornado>=4.1',
     ],
-    python_requires='>=2.7, !=3.0.*, !=3.1.*, !=3.2.*',
+    python_requires='>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*',
     extras_require   = {
-        'test': ['ipykernel', 'ipython', 'mock'],
-        'test:python_version == "3.3"': ['pytest<3.3.0'],
-        'test:(python_version >= "3.4" or python_version == "2.7")': ['pytest'],
+        'test': ['ipykernel', 'ipython', 'mock', 'pytest'],
     },
     cmdclass         = {
         'bdist_egg': bdist_egg if 'bdist_egg' in sys.argv else bdist_egg_disabled,