Only install doc requirements if doing doc build

dstansby · dstansby · commit dbc89292858a · 2017-05-10T22:13:39.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -116,7 +116,9 @@ install:
   - |
     # Install dependencies from pypi
     pip install $PRE python-dateutil $NUMPY pyparsing!=2.1.6 $PANDAS cycler codecov coverage $MOCK $NOSE
-    pip install $PRE -r doc-requirements.txt
+    if [[ $BUILD_DOCS == true ]]; then
+      pip install $PRE -r doc-requirements.txt
+    fi
 
     # pytest-cov>=2.3.1 due to https://github.com/pytest-dev/pytest-cov/issues/124
     pip install $PRE pytest 'pytest-cov>=2.3.1' pytest-faulthandler pytest-rerunfailures pytest-timeout pytest-warnings pytest-xdist $INSTALL_PEP8
