添加english_words依赖后pubspec.yaml报错，无法执行flutter pub get

问题原因 #

你把english_words: ^4.0.0错误缩进在了sdk: flutter的依赖块里，导致同一个依赖条目出现多个源，触发了"A dependency may only have one source"错误。

修复步骤 #

• 打开pubspec.yaml文件
• 调整english_words的缩进层级，让它和flutter、cupertino_icons处于同一级别
• 保存文件后重新执行flutter pub get

正确的依赖块示例 #

dependencies:
  flutter:
    sdk: flutter
  english_words: ^4.0.0
  # The following adds the Cupertino Icons font to your application.
  # Use with the CupertinoIcons class for iOS style icons.
  cupertino_icons: ^1.0.2

内容的提问来源于stack exchange，提问作者Swati Buddha