original_docstring: 
          Return all the metric names we've seen so far
          
docstring: Return all the metric names we've seen so far
docstring_tokens: Return all the metric names we ' ve seen so far
code: def metric_names(self):
          """
          Return all the metric names we've seen so far
          """
          return [ensure_unicode(name) for name in self._metrics.keys()]
code_tokens: def metric_names ( self ) : return [ ensure_unicode ( name ) for name in self . _metrics . keys ( ) ]
short_docstring: Return all the metric names we've seen so far
short_docstring_tokens: Return all the metric names we ' ve seen so far
comment: """
          Return all the metric names we've seen so far
          """