@contextlib.contextmanager<EOL>def ignore_xlrd_time_clock_warning():
with warnings.catch_warnings():<EOL><INDENT>warnings.filterwarnings(<EOL>action='<STR_LIT:ignore>',<EOL>message='<STR_LIT>',<EOL>category=DeprecationWarning)<EOL>yield<EOL><DEDENT>
Context manager to ignore warnings raised by the xlrd library,
regarding the deprecation of `time.clock` in Python 3.7.