def get_ylabel(self):
units = self.units<EOL>if len(units) == <NUM_LIT:1> and str(units[<NUM_LIT:0>]) == '<STR_LIT>':  <EOL><INDENT>return '<STR_LIT>'<EOL><DEDENT>if len(units) == <NUM_LIT:1> and self.usetex:<EOL><INDENT>return units[<NUM_LIT:0>].to_string('<STR_LIT>')<EOL><DEDENT>elif len(units) == <NUM_LIT:1>:<EOL><INDENT>return units[<NUM_LIT:0>].to_string()<EOL><DEDENT>elif len(units) > <NUM_LIT:1>:<EOL><INDENT>return '<STR_LIT>'<EOL><DEDENT>return super(TimeSeries, self).get_ylabel()<EOL>
Text for y-axis label,  check if channel defines it