appium+python运行报错：status":33,"value":{"message":"A new session could not be created.","origValue":"Device did not become ready in 5 secs}（解决）

报错日志：

info: [debug] Retrying restartAdb

info: [debug] executing cmd: D:\adt-bundle-windows-x86_64-20131030\sdk\platform-tools\adb.exe -s fb2953b8 kill-server

info: [debug] Getting connected devices...

info: [debug] executing cmd: D:\adt-bundle-windows-x86_64-20131030\sdk\platform-tools\adb.exe -s fb2953b8 devices

info: [debug] 20 device(s) connected

info: [debug] Waiting for device to be ready and to respond to shell commands (timeout = 5)

info: [debug] executing cmd: D:\adt-bundle-windows-x86_64-20131030\sdk\platform-tools\adb.exe -s fb2953b8 wait-for-device

info: [debug] executing cmd: D:\adt-bundle-windows-x86_64-20131030\sdk\platform-tools\adb.exe -s fb2953b8 kill-server

info: [debug] Getting connected devices...

info: [debug] executing cmd: D:\adt-bundle-windows-x86_64-20131030\sdk\platform-tools\adb.exe -s fb2953b8 devices

info: [debug] 20 device(s) connected

info: [debug] Waiting for device to be ready and to respond to shell commands (timeout = 5)

info: [debug] executing cmd: D:\adt-bundle-windows-x86_64-20131030\sdk\platform-tools\adb.exe -s fb2953b8 wait-for-device

info: [debug] executing cmd: D:\adt-bundle-windows-x86_64-20131030\sdk\platform-tools\adb.exe -s fb2953b8 shell "echo 'ready'"

info: [debug] Sent shutdown command, waiting for UiAutomator to stop...

warn: UiAutomator did not shut down fast enough, calling it gone

info: [debug] Cleaning up android objects

info: [debug] Cleaning up appium session

error: Failed to start an Appium session, err was: Device did not become ready in 5 secs; are you sure it's powered on?

info: [debug] undefined

info: [debug] Responding to client with error: {"status":33,"value":{"message":"A new session could not be created.","origValue":"Device did not become ready in 5 secs; are you sure it's powered on?"},"sessionId":null}

info: <-- POST /wd/hub/session 500 86259.711 ms - 171

 

解决：添加代码，设置‘androidDeviceReadyTimeout’默认时间5s为20s.

android['androidDeviceReadyTimeout'] = '20'

如图：