def raise_if_problem(self):
if self._problems:<EOL><INDENT>try:<EOL><INDENT>_raise_current_error()<EOL><DEDENT>except Error:<EOL><INDENT>pass<EOL><DEDENT>raise self._problems.pop(<NUM_LIT:0>)<EOL><DEDENT>
Raise an exception from the OpenSSL error queue or that was previously
captured whe running a callback.