def looking_at_call(s):
 position = (s.start_line, s.start_col)
 result = (looking_at_expr(s) == u'(')
 if (not result):
  (s.start_line, s.start_col) = position
 return result

def looking_at_call ( s ) : position = ( s . start_line , s . start_col ) result = ( looking_at_expr ( s ) == u'(' ) if ( not result ) : ( s . start_line , s . start_col ) = position return result
see if were looking at a .