id,summary,reporter,owner,description,type,status,priority,component,severity,resolution,keywords,cc
79,Multiple scalar values used as key creates Python hash error,clay@…,xi,"The YAML specification suggests that a mapping can have a key made of more than one item, as in 

{{{
? - Detroit Tigers
  - Chicago cubs
:
  - 2001-07-23
}}}

However, when that data is imported via yaml.load(), PyYAML exits with a yaml.constructor.ConstructorError, saying ""found unacceptable key (list objects are unhashable)""

Is there a way to force multi-value keys to be processed as tuples instead of lists?",defect,closed,normal,pyyaml,normal,wontfix,load list tuple hash,