Piaware v 3.7.1 on Debian 10.0 (Buster) amd64 / Intel PC

MLAT Fails on Debian Buster amd64

Fatal Python error: initfsencoding: Unable to get the locale encoding
ImportError: invalid flags 1554269952 in ‘encodings’
got EOF from multilateration client
fa-mlat-client exited with SIG SIGABRT

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Details
Stn # 76000

abcd@debian:~$ apt-cache policy piaware
piaware:
  Installed: 3.7.1

abcd@debian:~$ cat /etc/os-release | grep PRETTY
PRETTY_NAME="Debian GNU/Linux 10 (buster)"

abcd@debian:~$ uname -a
Linux debian 4.19.0-5-amd64 #1 SMP Debian 4.19.37-5 (2019-06-19) x86_64 GNU/Linux

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abcd@debian:~$ sudo cat /var/log/piaware.log
.....
.....
Aug  8 14:15:09 debian piaware[1046]: piaware received a message from dump1090-fa!
Aug  8 14:15:16 debian piaware[1046]: piaware has successfully sent several msgs to FlightAware!
Aug  8 14:15:40 debian piaware[1046]: 22 msgs recv'd from dump1090-fa; 22 msgs sent to FlightAware
Aug  8 14:16:08 debian piaware[1046]: Starting multilateration client: /usr/lib/piaware/helpers/fa-mlat-client --input-connect localhost:30005 --input-type dump1090 --results beast,connect,localhost:30104 --results beast,listen,30105 --results ext_basestation,listen,30106 --udp-transport 70.42.6.224:5900:2261183427
Aug  8 14:16:08 debian piaware[1046]: mlat-client(1114): Fatal Python error: initfsencoding: Unable to get the locale encoding
Aug  8 14:16:08 debian piaware[1046]: mlat-client(1114): ImportError: invalid flags 1554269952 in 'encodings'
Aug  8 14:16:08 debian piaware[1046]: mlat-client(1114): Current thread 0x00007f8cef732f00 (most recent call first):
Aug  8 14:16:08 debian piaware[1046]: got EOF from multilateration client
Aug  8 14:16:08 debian piaware[1046]: fa-mlat-client exited with SIG SIGABRT