heuristics_ping: fix for python3 TypeError
Traceback (most recent call last):
File "heuristics_ping/fence_heuristics_ping", line 198, in <module> main() File "heuristics_ping/fence_heuristics_ping", line 191, in main sync_set_power_fn = ping_test) File "lib/fencing.py", line 904, in fence_action if reboot_cycle_fn(connection, options): File "heuristics_ping/fence_heuristics_ping", line 75, in ping_test searchres = packet_count.search(line)
TypeError: cannot use a string pattern on a bytes-like object