Drop support for Python 3.4

Add testing for Python 3.7.

Signed-off-by: Stephen Finucane <stephen@that.guru>

Author: stephenfin

.travis.yml

@@ -3,9 +3,9 @@ sudo: false
 cache: pip
 python:
 - 2.7
-- 3.4
 - 3.5
 - 3.6
+- 3.7
 - pypy
 install:
 - pip install tox-travis
@@ -17,7 +17,7 @@ stages:
 jobs:
   include:
   - stage: deploy
-    python: 3.6
+    python: 3.7
     install: skip  # no tests, no depedencies needed
     script: skip  # we're not running tests
     deploy:

releasenotes/notes/drop-python34-support-5e01360fff605972.yaml

@@ -0,0 +1,4 @@
+---
+upgrade:
+  - |
+    Support for Python 3.4 has been dropped.

setup.cfg

@@ -6,6 +6,9 @@ license = MIT License
 classifiers =
     Programming Language :: Python :: 2.7
     Programming Language :: Python :: 3
+    Programming Language :: Python :: 3.5
+    Programming Language :: Python :: 3.6
+    Programming Language :: Python :: 3.7
     Programming Language :: Python
     Development Status :: 4 - Beta
     Environment :: Console
@@ -18,6 +21,7 @@ author = Stephen Finucane
 author-email = stephen@that.guru
 home-page = https://git-pw.readthedocs.io/
 project-url = https://that.guru/
+python_requires = >=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*
 
 [files]
 packages =