parameters: (expr)
return_statement: return TokenConverter(expr).setParseAction(lambda t:t[0])
docstring: Helper to undo pyparsing's default grouping of And expressions, even
      if all but one are non-empty.
docstring_summary: Helper to undo pyparsing's default grouping of And expressions, even
      if all but one are non-empty.
docstring_tokens: Helper to undo pyparsing s default grouping of And expressions even if all but one are non - empty .
function: def ungroup(expr): 
      """
      Helper to undo pyparsing's default grouping of And expressions, even
      if all but one are non-empty.
      """
      return TokenConverter(expr).setParseAction(lambda t:t[0])
function_tokens: def ungroup ( expr ) : return TokenConverter ( expr ) . setParseAction ( lambda t : t [ 0 ] )