fix PyPI deploy to only deploy condtionally (#40)

* deploy pypi conditionally (if branch = master)

* bump verison

.travis.yml

@@ -1,14 +1,13 @@
 language: python
-sudo: false
-python:
-- '2.7'
-- '3.5'
-- '3.6'
-matrix:
-  include:
-  - python: 3.7
 dist: xenial
-    sudo: true
+sudo: false
+cache: false
+python: "3.7"
+
+stages:
+  - name: deploy
+    if: branch = master
+
 before_install:
   - pip install -U pip
 install:
@@ -17,7 +16,18 @@ install:
   - git diff --name-only $TRAVIS_COMMIT_RANGE | xargs pre-commit run --files
 script:
   - tox
-deploy:
+
+jobs:
+  include:
+    - python: 2.7
+
+    - python: 3.5
+
+    - python: 3.6
+
+    - python: 3.7
+
+    - stage: deploy
       on:
         branch: master
       provider: pypi

rfd/__version__.py

@@ -1,4 +1,4 @@
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
-version = "0.3.1"
+version = "0.3.2"