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Encountered internal error running command: Error: targetSdkVersionFromManifest failed. Original error: Cannot read property '1' of null

See original GitHub issue

when i run sample-code android_simple.py i got this error ,i search everywhere ,no result

[debug] [AndroidDriver] Shutting down Android driver [debug] [AndroidDriver] Called deleteSession but bootstrap wasn’t active [debug] [ADB] Getting connected devices… [debug] [ADB] 1 device(s) connected [debug] [ADB] Running ‘/Users/jihongwen/Development/android/android-sdk-macosx/platform-tools/adb’ with args: [“-P”,5037,“-s”,“760ABLMW96TX”,“shell”,“am”,“force-stop”,“io.appium.unlock”] [debug] [Logcat] Stopping logcat capture [debug] [AndroidDriver] Not cleaning generated files. Add clearSystemFiles capability if wanted. [MJSONWP] Encountered internal error running command: Error: targetSdkVersionFromManifest failed. Original error: Cannot read property ‘1’ of null at Object.wrappedLogger.errorAndThrow (lib/logger.js:60:13) at ADB.callee$0$0$ (…/…/…/lib/tools/android-manifest.js:101:9) at tryCatch (/Users/jihongwen/.nvm/versions/node/v7.2.0/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:67:40) at GeneratorFunctionPrototype.invoke [as _invoke] (/Users/jihongwen/.nvm/versions/node/v7.2.0/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:315:22) at GeneratorFunctionPrototype.prototype.(anonymous function) [as next] (/Users/jihongwen/.nvm/versions/node/v7.2.0/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js💯21) at GeneratorFunctionPrototype.invoke (/Users/jihongwen/.nvm/versions/node/v7.2.0/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:136:37) at process._tickCallback (internal/process/next_tick.js:103:7) [HTTP] <-- POST /wd/hub/session 500 1585 ms