From 400a98de921cf1c8f43f66dd1b8387a9f74f9b4a Mon Sep 17 00:00:00 2001
From: Daniel Gallagher <daniellg@yelp.com>
Date: Mon, 11 Jun 2018 09:12:27 -0700
Subject: [PATCH] Add tox env for running mypy and add that to .travis.yml

---
 .travis.yml | 3 ++-
 tox.ini     | 9 ++++++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index d0eb834b..399ce134 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,9 +13,10 @@ matrix:
        python: pypy-5.7.1
     -  env: TOXENV=pre-commit
        python: 3.6
+    -  env: TOXENV=mypy
+       python: 3.6
 install:
   - pip install coveralls tox
-  - if [[ $TRAVIS_PYTHON_VERSION == '3.6' ]]; then pip install mypy; fi
 script: tox
 after_success: coveralls
 cache:
diff --git a/tox.ini b/tox.ini
index cf538bb7..8166a5b6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = flake8,py27,py33,py34,py35,py36,pre-commit,pypy
+envlist = flake8,py27,py33,py34,py35,py36,pre-commit,pypy,mypy
 skipsdist = true
 
 [testenv]
@@ -18,6 +18,13 @@ setenv =
 commands =
     pre-commit {posargs:run --all-files}
 
+[testenv:mypy]
+basepython=python3.6
+deps =
+    mypy
+commands =
+    mypy graphene
+
 [testenv:flake8]
 deps = flake8
 commands =