``` pastly@aaseae:~/run/sbws-liveclient-http$ sbws-generate 2018-07-06 12:59:52,592 DEBUG MainThread globals.py:43 - is_initted - /home/pastly/run/sbws-liveclient-http seems initialized. 2018-07-06 12:59:52,607 DEBUG MainThread filelock.py:17 - __enter__ - Going to lock /home/pastly/run/sbws-liveclient-http/datadir/.lockfile 2018-07-06 12:59:52,607 DEBUG MainThread filelock.py:23 - __enter__ - Received lock /home/pastly/run/sbws-liveclient-http/datadir/.lockfile 2018-07-06 12:59:52,797 DEBUG MainThread filelock.py:27 - __exit__ - Releasing lock /home/pastly/run/sbws-liveclient-http/datadir/.lockfile 2018-07-06 12:59:52,798 DEBUG MainThread resultdump.py:62 - load_result_file - Keeping 2990/3405 read lines from /home/pastly/run/sbws-liveclient-http/datadir/2018-07-06.txt 2018-07-06 12:59:52,805 DEBUG MainThread resultdump.py:85 - trim_results - Keeping 2990/2990 results after removing old ones Traceback (most recent call last): File "/home/pastly/src/simple-bw-scanner/venv-editable/bin/sbws", line 11, in <module> load_entry_point('sbws', 'console_scripts', 'sbws')() File "/home/pastly/src/simple-bw-scanner/sbws/sbws.py", line 51, in main exit(comm['f'](*comm['a'], **comm['kw'])) File "/home/pastly/src/simple-bw-scanner/sbws/core/generate.py", line 58, in main bw_file = V3BWFile.from_arg_results(args, conf, results) File "/home/pastly/src/simple-bw-scanner/sbws/lib/v3bwfile.py", line 403, in from_arg_results bw_lines = [V3BWLine.from_results(results[fp]) for fp in results] File "/home/pastly/src/simple-bw-scanner/sbws/lib/v3bwfile.py", line 403, in <listcomp> bw_lines = [V3BWLine.from_results(results[fp]) for fp in results] File "/home/pastly/src/simple-bw-scanner/sbws/lib/v3bwfile.py", line 357, in from_results bw = cls.bw_from_results(success_results) File "/home/pastly/src/simple-bw-scanner/sbws/lib/v3bwfile.py", line 324, in bw_from_results r.relay_average_bandwidth for r in results File "/usr/lib/python3.5/statistics.py", line 353, in median raise StatisticsError("no median for empty data") statistics.StatisticsError: no median for empty data ```