Fix yum error in Linux wheels script
#!/bin/bash
# Install dependencies
+yum --disablerepo=epel update ca-certificates
+yum update
yum install -y libuuid-devel zlib-devel java-1.8.0-openjdk-devel graphviz xorg-x11-server-Xvfb wget
# Install Klayout (for chip.show() test)
