         config = if projectConfig isnt null then projectConfig else globalConfig
 
         try
-          linter = this.findExecutable()
+          linter = @findExecutable()
         catch error
           if error.message is 'prefix' then atom.notifications.addError """
             **Error getting $PATH - linter-sass-lint**\n

      return require path.join(__dirname, '..', 'node_modules', 'sass-lint')
    if @globalPath is '' and prefixPath is null
      npmCommand = if process.platform is 'win32' then 'npm.cmd' else 'npm'
      try
        prefixPath = spawnSync(npmCommand, [
          'get'

globule = require 'globule'
{spawnSync} = require 'child_process'
{getPath} = require 'consistent-path'
prefixPath = null

module.exports =
