indent pip install

Author: minrk

.travis.yml

@@ -9,11 +9,11 @@ python:
 sudo: false
 install:
   - |
-  # install pip 10 on python 3.3
-  # to get requires_python support
-  if [[ $TRAVIS_PYTHON_VERSION == "3.3" ]]; then
-    pip install pip==10.*
-  fi
+    # install pip 10 on python 3.3
+    # to get requires_python support
+    if [[ $TRAVIS_PYTHON_VERSION == "3.3" ]]; then
+      pip install pip==10.*
+    fi
   - pip install --upgrade setuptools pip
   - pip install --upgrade --pre -e .[test] pytest-cov pytest-warnings codecov
 script: