tests

Author: glemaitre

build_tools/travis/install.sh

@@ -40,9 +40,6 @@ if [[ "$DISTRIB" == "conda" ]]; then
     source activate testenv
     conda install --yes numpy=$NUMPY_VERSION scipy=$SCIPY_VERSION
     # only install optional dependency in python 3.6
-    if [[ $PYTHON_VERSION == "3.6" ]]; then
-        conda install --yes pandas keras
-    fi
 
     if [[ "$SKLEARN_VERSION" == "master" ]]; then
         conda install --yes cython
@@ -51,6 +48,13 @@ if [[ "$DISTRIB" == "conda" ]]; then
         conda install --yes scikit-learn=$SKLEARN_VERSION
     fi
 
+    if [[ $PYTHON_VERSION == "3.6" ]]; then
+        conda install --yes pandas keras
+        KERAS_BACKEND=tensorflow
+        python -c "import keras.backend"
+        sed -i -e 's/"backend":[[:space:]]*"[^"]*/"backend":\ "'$KERAS_BACKEND'/g' ~/.keras/keras.json;
+    fi
+
     conda install --yes nose pytest pytest-cov
     # Install nose-timer via pip
     pip install nose-timer codecov