Merge pull request #461 from Jamim/feature/python-classifiers

Declare support for Python 2.7, 3.5, 3.6, and 3.7

Author: minrk

.travis.yml

@@ -1,11 +1,12 @@
+dist: xenial
 language: python
 python:
     - "nightly"
-    - "3.7-dev"
-    - 3.6
-    - 3.5
-    - 2.7
-sudo: false
+    - "3.8-dev"
+    - "3.7"
+    - "3.6"
+    - "3.5"
+    - "2.7"
 install:
   - pip install --upgrade setuptools pip
   - pip install --upgrade --upgrade-strategy eager --pre -e .[test] pytest-cov codecov 'coverage<5'

setup.py

@@ -84,7 +84,11 @@ def run(self):
         'Operating System :: OS Independent',
         'Programming Language :: Python',
         'Programming Language :: Python :: 2',
+        'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3.5',
+        'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.7',
     ],
     install_requires = [
         'traitlets',