def delete_files(self):
"""Deletes code coverage files."""
if os.getenv('USE_FIGLEAF', None):
logger.info('Deleting coverage files...')
try:
RemoveFiles.local('Remove coverage file', self.filename)
directory = os.path.dirname(self.filename)
RemoveFiles.local('Remove html files', directory + '/*.html')
except:
logger.error('Failed to clean up coverage files')