/usr/share/pyshared/pcs/ is in python-pcs 0.6+debian-0ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/pcs/__init__.py
/usr/share/pyshared/pcs/packets/
/usr/share/pyshared/pcs/packets/__init__.py
/usr/share/pyshared/pcs/packets/arp.py
/usr/share/pyshared/pcs/packets/bgp.py
/usr/share/pyshared/pcs/packets/bsdrtmsg.py
/usr/share/pyshared/pcs/packets/crc32c.py
/usr/share/pyshared/pcs/packets/dhcpv4.py
/usr/share/pyshared/pcs/packets/dhcpv4_options.py
/usr/share/pyshared/pcs/packets/dns.py
/usr/share/pyshared/pcs/packets/dvmrp.py
/usr/share/pyshared/pcs/packets/ethernet.py
/usr/share/pyshared/pcs/packets/ethernet_map.py
/usr/share/pyshared/pcs/packets/http.py
/usr/share/pyshared/pcs/packets/icmpv4.py
/usr/share/pyshared/pcs/packets/icmpv6.py
/usr/share/pyshared/pcs/packets/ieee80211.py
/usr/share/pyshared/pcs/packets/ieee8021d.py
/usr/share/pyshared/pcs/packets/ieee8023ad.py
/usr/share/pyshared/pcs/packets/igmp.py
/usr/share/pyshared/pcs/packets/igmpv2.py
/usr/share/pyshared/pcs/packets/igmpv3.py
/usr/share/pyshared/pcs/packets/ipcomp.py
/usr/share/pyshared/pcs/packets/ipsec.py
/usr/share/pyshared/pcs/packets/ipv4.py
/usr/share/pyshared/pcs/packets/ipv4_map.py
/usr/share/pyshared/pcs/packets/ipv4sar.py
/usr/share/pyshared/pcs/packets/ipv6.py
/usr/share/pyshared/pcs/packets/ipv6_map.py
/usr/share/pyshared/pcs/packets/llc.py
/usr/share/pyshared/pcs/packets/localhost.py
/usr/share/pyshared/pcs/packets/localhost_map.py
/usr/share/pyshared/pcs/packets/mpls.py
/usr/share/pyshared/pcs/packets/mtrace.py
/usr/share/pyshared/pcs/packets/nd6.py
/usr/share/pyshared/pcs/packets/netlink.py
/usr/share/pyshared/pcs/packets/null.py
/usr/share/pyshared/pcs/packets/payload.py
/usr/share/pyshared/pcs/packets/pseudoipv6.py
/usr/share/pyshared/pcs/packets/radiotap.py
/usr/share/pyshared/pcs/packets/rtnetlink.py
/usr/share/pyshared/pcs/packets/rtp.py
/usr/share/pyshared/pcs/packets/sctp.py
/usr/share/pyshared/pcs/packets/sctp_map.py
/usr/share/pyshared/pcs/packets/tcp.py
/usr/share/pyshared/pcs/packets/tcp_map.py
/usr/share/pyshared/pcs/packets/tcpv6.py
/usr/share/pyshared/pcs/packets/udp.py
/usr/share/pyshared/pcs/packets/udp_map.py
/usr/share/pyshared/pcs/packets/udpv4.py
/usr/share/pyshared/pcs/packets/udpv6.py
/usr/share/pyshared/pcs/packets/vlan.py