appium 自带的 contactManager，手机号码也跟楼主一样的属性，输入楼主解决后的代码还是报错 textfields = self.driver.find_elements_by_tag_name("textfield")
^
IndentationError: unexpected indent，求解

低级问题，已解决。。。。

楼主，我安装完了报错，怎么解决啊？

Starting Node Server
usage: main.js [-h] [-v] [--shell]
[--localizable-strings-dir LOCALIZABLESTRINGSDIR] [--app APP]
[--ipa IPA] [-U UDID] [-a ADDRESS] [-p PORT]
[-ca CALLBACKADDRESS] [-cp CALLBACKPORT] [-bp BOOTSTRAPPORT]
[-k] [-r BACKENDRETRIES] [--session-override] [--full-reset]
[--no-reset] [-l] [-lt LAUNCHTIMEOUT] [-g LOG]
[--log-level {info,info:debug,info:info,info:warn,info:error,warn,warn:debug,warn:info,warn:warn,warn:error,error,error:debug,error:info,error:warn,error:error,debug,debug:debug,debug:info,debug:warn,debug:error}]
[--log-timestamp] [--local-timezone] [--log-no-colors]
[-G WEBHOOK] [--native-instruments-lib]
[--app-pkg ANDROIDPACKAGE] [--app-activity ANDROIDACTIVITY]
[--app-wait-package ANDROIDWAITPACKAGE]
[--app-wait-activity ANDROIDWAITACTIVITY]
[--android-coverage ANDROIDCOVERAGE] [--avd AVD]
main.js: error: argument "--avd": Expected one argument. null
[--avd-args AVDARGS]
[--device-ready-timeout ANDROIDDEVICEREADYTIMEOUT] [--safari]
[--device-name DEVICENAME] [--platform-name PLATFORMNAME]
[--platform-version PLATFORMVERSION]
[--automation-name AUTOMATIONNAME] [--browser-name BROWSERNAME]
[--default-device] [--force-iphone] [--force-ipad]
[--language LANGUAGE] [--locale LOCALE]
[--calendar-format CALENDARFORMAT] [--orientation ORIENTATION]
[--tracetemplate AUTOMATIONTRACETEMPLATEPATH]
[--instruments INSTRUMENTSPATH] [--show-sim-log]
[--show-ios-log] [--nodeconfig NODECONFIG] [-ra ROBOTADDRESS]
[-rp ROBOTPORT] [--selendroid-port SELENDROIDPORT]
[--chromedriver-port CHROMEDRIVERPORT]
[--chromedriver-executable CHROMEDRIVEREXECUTABLE]
[--use-keystore] [--keystore-path KEYSTOREPATH]
[--keystore-password KEYSTOREPASSWORD] [--key-alias KEYALIAS]
[--key-password KEYPASSWORD] [--show-config] [--no-perms-check]
[--command-timeout DEFAULTCOMMANDTIMEOUT] [--keep-keychains]
[--strict-caps] [--isolate-sim-device] [--tmp TMPDIR]
[--trace-dir TRACEDIR] [--intent-action INTENTACTION]
[--intent-category INTENTCATEGORY] [--intent-flags INTENTFLAGS]
[--intent-args OPTIONALINTENTARGUMENTS]
[--dont-stop-app-on-reset] [--debug-log-spacing]
[--suppress-adb-kill-server] [--async-trace]

Node Server Process Ended