Some 🐄, consistent white-spacing in .yml file

Author: theengineear

circle.yml

@@ -1,11 +1,15 @@
 machine:
+
   environment:
+
     PLOTLY_PACKAGE_ROOT: /home/ubuntu/python-api
     PLOTLY_CONFIG_DIR: ${HOME}/.plotly
     PLOTLY_PYTHON_VERSIONS: 2.7.8 3.3.3 3.4.1
     PLOTLY_CORE_REQUIREMENTS_FILE: ${PLOTLY_PACKAGE_ROOT}/requirements.txt
     PLOTLY_OPTIONAL_REQUIREMENTS_FILE: ${PLOTLY_PACKAGE_ROOT}/optional-requirements.txt
+
 dependencies:
+
   override:
 
     # run all the pre-written installers (this will take a *while*)
@@ -19,8 +23,11 @@ dependencies:
     - cd ~ && python -c "import plotly"
 
   cache_directories:
+
     - "~/.pyenv/versions"  # attempt to just cache installed pyenv things
+
 test:
+
   override:
 
     # run test suite in all our python versions