def discard(self):  
try:<EOL><INDENT>self.rollback(<NUM_LIT:0>)<EOL><DEDENT>except pyPluribus.exceptions.RollbackError as rbackerr:<EOL><INDENT>raise pyPluribus.exceptions.ConfigurationDiscardError("<STR_LIT>".format(err=rbackerr))<EOL><DEDENT>
Clears uncommited changes.

:raise pyPluribus.exceptions.ConfigurationDiscardError: If the configuration applied cannot be discarded.