Cleanup of unused import and loop exit strategy in try_read_prompt
Cleanup of unused import and loop exit strategy in try_read_prompt

dongguangming/pexpect,nodish/pexpect,Wakeupbuddy/pexpect,quatanium/pexpect,dongguangming/pexpect,crdoconnor/pexpect,Wakeupbuddy/pexpect,bangi123/pexpect,Depado/pexpect,nodish/pexpect,Depado/pexpect,blink1073/pexpect,crdoconnor/pexpect,quatanium/pexpect,bangi123/pexpect,dongguangming/pexpect,Depado/pexpect,Depado/pexpect,Wakeupbuddy/pexpect,Wakeupbuddy/pexpect,nodish/pexpect,crdoconnor/pexpect,quatanium/pexpect,blink1073/pexpect,blink1073/pexpect,dongguangming/pexpect,bangi123/pexpect,bangi123/pexpect