old_contents: class NoUniqueMatch(RuntimeError):
      """There was more that one on no extensions matching the query."""
  
  
  class NoMatches(NoUniqueMatch):
      """There were no extensions with the diver name found."""
  
  
  class MultipleMatches(NoUniqueMatch):
      """There were multiple matches for the given name."""
  
new_contents: class NoUniqueMatch(RuntimeError):
      """There was more than one extension, or none, that matched the query."""
  
  
  class NoMatches(NoUniqueMatch):
      """There were no extensions with the driver name found."""
  
  
  class MultipleMatches(NoUniqueMatch):
      """There were multiple matches for the given name."""
  
subject: Fix typos in exception.py