fix wget

scripts/travis_install.sh

@@ -10,7 +10,7 @@ if [ -d "$MINICONDA_DIR" ] && [ -e "$MINICONDA_DIR/bin/conda" ]; then
     echo "Miniconda install already present from cache: $MINICONDA_DIR"
 else # if it does not exist, we need to install miniconda
     rm -rf "$MINICONDA_DIR" # remove the directory in case we have an empty cached directory
-    wget https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh --nv -O ~/miniconda.sh;
+    wget https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -b -O ~/miniconda.sh;
     bash ~/miniconda.sh -b -p "$MINICONDA_DIR"
     chown -R "$USER" "$MINICONDA_DIR"
     hash -r