self.file.write(doc + '\n') IOError: [Errno 28] No space left on device Original exception was: Traceback (most recent call last): File "/www/tools.ietf.org/tools/rfcmarkup/rfcmarkup", line 1459, in markup() File "/www/tools.ietf.org/tools/rfcmarkup/rfcmarkup", line 1409, in markup prelude(optstatic) File "/www/tools.ietf.org/tools/rfcmarkup/rfcmarkup", line 378, in prelude """ % args).encode('utf-8')) IOError: [Errno 28] No space left on device