<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def rewriteInstallNameCommand(self, loadcmd):
 """Rewrite the load command of this dylib"""

        if self.id_cmd is not None:
            self.rewriteDataForCommand(self.id_cmd, loadcmd)
            return True
        return False