code: def envs(self):
          '''
          Return a list of available environments
          '''
          load = {'cmd': '_file_envs'}
          return salt.utils.data.decode(self.channel.send(load)) if six.PY2 \
              else self.channel.send(loadf envs(self):
          '''
          Return a list of available environments
          '''
          load = {'cmd': '_file_envs'}
          return salt.utils.data.decode(self.channel.send(load)) if six.PY2 \
              else self.channel.send(load)
docs: Return a list of available environments