diff --git a/.travis.yml b/.travis.yml
index 3fd433b6..d0eb834b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,7 +14,7 @@ matrix:
     -  env: TOXENV=pre-commit
        python: 3.6
 install:
-  - pip install coveralls tox mypy
+  - pip install coveralls tox
   - if [[ $TRAVIS_PYTHON_VERSION == '3.6' ]]; then pip install mypy; fi
 script: tox
 after_success: coveralls
diff --git a/docs/conf.py b/docs/conf.py
index ccb5305d..b25a36dc 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -1,4 +1,5 @@
 import os
+
 import sphinx_graphene_theme
 
 on_rtd = os.environ.get('READTHEDOCS', None) == 'True'