chnage to yum

travis/build-wheels.sh

@@ -8,7 +8,7 @@ echo 'PYTHON_VERSION: '$PYTHON_VERSION
 
 ENABLE_CONTRIB=$(<contrib.enabled)
 
-source travis/install-ninja.sh
+yum install ninja-build
 
 for PYBIN in /opt/python/cp$PYTHON_VERSION*/bin; do
     echo 'PWD  : '$PWD

travis/install-ninja.sh

-wget https://github.com/ninja-build/ninja/releases/download/v1.7.2/ninja-linux.zip -O ninja.zip
-unzip ninja.zip
-rm ninja.zip
-chmod +x ninja
-ls -la
-export PATH=$PATH:$(pwd)
-echo $PATH
\ No newline at end of file