i currently for using appium, i need to install appium doctor for automation testing. When i run appium doctor in my terminal there was error in line of terminal []
export ANDROID_HOME= $HOME/Android/Sdk
export PATH=$PATH:$ANDROID_HOME/tools
export JAVA_HOME=
export PATH=$PATH:$JAVA_HOME/bin
export PATH=$PATH:$ANDROID_HOME/tools/emulator
`export PATH=$ANDROID_HOME/emulator:$ANDROID_HOME/tools:$PATH``
i have put this but still error