TypeError: undefined is not iterable #56
Description
你好，Picgo升级到2.3.1之后碰到上传时失败问题，详细堆栈
TypeError: undefined is not iterable (cannot read property Symbol(Symbol.iterator))
at macosRelease (/Users/zhenhui.xu/Library/Application Support/picgo/node_modules/macos-release/index.js:27:26)
at osName (/Users/zhenhui.xu/Library/Application Support/picgo/node_modules/os-name/index.js:21:18)
at getUserAgent (/Users/zhenhui.xu/Library/Application Support/picgo/node_modules/universal-user-agent/dist-node/index.js:11:53)
at parseOptions (/Users/zhenhui.xu/Library/Application Support/picgo/node_modules/@octokit/rest/lib/parse-client-options.js:80:57)
at new Octokit (/Users/zhenhui.xu/Library/Application Support/picgo/node_modules/@octokit/rest/lib/constructor.js:23:31)
at new DeprecatedOctokit (/Users/zhenhui.xu/Library/Application Support/picgo/node_modules/@octokit/rest/index.js:29:10)
at new Octo (/Users/zhenhui.xu/Library/Application Support/picgo/node_modules/picgo-plugin-github-plus/dist/lib/octokit.js:30:24)
at Object.getIns (/Users/zhenhui.xu/Library/Application Support/picgo/node_modules/picgo-plugin-github-plus/dist/lib/octokit.js:159:11)
at initOcto (/Users/zhenhui.xu/Library/Application Support/picgo/node_modules/picgo-plugin-github-plus/dist/index.js:11:27)
at Object.handle (/Users/zhenhui.xu/Library/Application Support/picgo/node_modules/picgo-plugin-github-plus/dist/index.js:111:21)