class_docstr: _Locations store code locations(file, linenos).
class_docstr_tok: ["_Locations","store","code","locations","(","file",",","linenos",")","."]
code: def sorted_items(self):
      if self._sorted is None:
          self._sorted = [
              "{0}: {1}".format(
                  f, ",".join([str(n) for n in sorted(ls)])
              )
              for f, ls in sorted(self.items())
          ]
      return self._sorted
  
imports: from __future__ import print_function, division, absolute_import
  import collections
label_desc: Use image node_id 4 for calling the _Locations obj's underlying member method code with example usage: obj.sorted_items() and returns: self