### Description kemi python3: exception occur when import logging module <!-- Explain what you did, what you expected to happen, and what actually happened. -->
### Troubleshooting
#### Reproduction very simple to reproduce is add this line to python kemi file ``` import logging ```
#### Debugging Data
``` (paste your debugging data here) ```
#### Log Messages
``` 0(49) INFO: <core> [core/tcp_main.c:4983]: init_tcp(): using epoll_lt as the io watch method (auto detected) 0(49) WARNING: outbound [outbound_mod.c:121]: mod_init(): "stun" module is not loaded. STUN is required to use outbound with UDP. 0(49) INFO: <core> [core/kemi.c:105]: sr_kemi_core_info(): KAMAILIO PYTHON3 APPLICATION INSTANTIATE CLASS OBJECT 0(49) INFO: <core> [core/kemi.c:105]: sr_kemi_core_info(): KAMAILIO INITIATION 0(49) INFO: <core> [main.c:3030]: main(): processes (at least): 25 - shm size: 268435456 - pkg size: 16777216 0(49) INFO: <core> [core/udp_server.c:154]: probe_max_receive_buffer(): SO_RCVBUF is initially 212992 0(49) INFO: <core> [core/udp_server.c:206]: probe_max_receive_buffer(): SO_RCVBUF is finally 425984 Exception ignored in: <function _releaseLock at 0x7fb7ed1d3f28> Traceback (most recent call last): File "/usr/lib/python3.7/logging/__init__.py", line 226, in _releaseLock _lock.release() RuntimeError: cannot release un-acquired lock Ignoring exception from logging atfork <_StderrHandler <stderr> (WARNING)> release method: cannot release un-acquired lock 1(50) INFO: <core> [core/kemi.c:105]: sr_kemi_core_info(): KAMAILIO CHILD PROCESS INITIALIZED 1 Exception ignored in: <function _releaseLock at 0x7fb7ed1d3f28> Traceback (most recent call last): File "/usr/lib/python3.7/logging/__init__.py", line 226, in _releaseLock Exception ignored in: <function _releaseLock at 0x7fb7ed1d3f28> Traceback (most recent call last): File "/usr/lib/python3.7/logging/__init__.py", line 226, in _releaseLock Exception ignored in: <function _releaseLock at 0x7fb7ed1d3f28> Traceback (most recent call last): File "/usr/lib/python3.7/logging/__init__.py", line 226, in _releaseLock _lock.release() Exception ignored in: <function _releaseLock at 0x7fb7ed1d3f28> Traceback (most recent call last): File "/usr/lib/python3.7/logging/__init__.py", line 226, in _releaseLock _lock.release() _lock.release() ```
#### SIP Traffic
<!-- If the issue is exposed by processing specific SIP messages, grab them with ngrep or save in a pcap file, then add them next, or attach to issue, or provide a link to download them (e.g., to a pastebin site). -->
``` (paste your sip traffic here) ```
### Possible Solutions
<!-- If you found a solution or workaround for the issue, describe it. Ideally, provide a pull request with a fix. -->
### Additional Information
* **Kamailio Version** - output of `kamailio -v`
Test on `5.5.2` and `5.4.7` both occur the issue
``` root@c011e17b1e00:/opt/siproxy# kamailio -v version: kamailio 5.5.2 (x86_64/linux) 55e232 flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLOCKLIST, HAVE_RESOLV_RES, TLS_PTHREAD_MUTEX_SHARED ADAPTIVE_WAIT_LOOPS 1024, MAX_RECV_BUFFER_SIZE 262144, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB poll method support: poll, epoll_lt, epoll_et, sigio_rt, select. id: 55e232 compiled on 11:54:55 Oct 14 2021 with gcc 8.3.0 ```
``` root@sgcoordinator1:/opt# kamailio -v version: kamailio 5.4.5 (x86_64/linux) c46342 flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST, HAVE_RESOLV_RES, TLS_PTHREAD_MUTEX_SHARED ADAPTIVE_WAIT_LOOPS 1024, MAX_RECV_BUFFER_SIZE 262144, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB poll method support: poll, epoll_lt, epoll_et, sigio_rt, select. id: c46342 compiled on 07:26:04 Jul 23 2021 with gcc 8.3.0 ```
* **Operating System**: occur on debian or docker as well
``` Linux c011e17b1e00 5.10.47-linuxkit #1 SMP Sat Jul 3 21:51:47 UTC 2021 x86_64 GNU/Linux Linux machine 4.19.0-16-cloud-amd64 #1 SMP Debian 4.19.181-1 (2021-03-19) x86_64 GNU/Linux ```