Error while making Rcp Joiner

I am trying to make the nrf52840 dongle the Rcp joiner using the steps mentioned in https://developer.nordicsemi.com/nRF_Connect_SDK/doc/2.4.0/nrf/protocols/thread/tools.html#configuring-a-radio-co-processor

I am opening the terminal from "open terminal" option as shown in below image

But when i give the command  : 

$west build -p always -b nrf52840dongle_nrf52840 nrf/samples/openthread/coprocessor/ -- -DOVERLAY_CONFIG="overlay-usb.conf" -DDTC_OVERLAY_FILE="usb.overlay" 

in terminal i get the following error

gjs@gjs-Vostro-3681:~/ncs/v2.4.0$ west build -p always -b nrf52840dongle_nrf52840 nrf/samples/openthread/coprocessor/ -- -DOVERLAY_CONFIG="overlay-usb.conf" -DDTC_OVERLAY_FILE="usb.overlay"
Python path configuration:
  PYTHONHOME = '/home/gjs/ncs/toolchains/1f9b40e71a/usr/local'
  PYTHONPATH = '/home/gjs/ncs/toolchains/1f9b40e71a/usr/local/lib/python3.8/site-packages'
  program name = '/usr/bin/python3'
  isolated = 0
  environment = 1
  user site = 1
  import site = 1
  sys._base_executable = '/usr/bin/python3'
  sys.base_prefix = '/home/gjs/ncs/toolchains/1f9b40e71a/usr/local'
  sys.base_exec_prefix = '/home/gjs/ncs/toolchains/1f9b40e71a/usr/local'
  sys.platlibdir = 'lib'
  sys.executable = '/usr/bin/python3'
  sys.prefix = '/home/gjs/ncs/toolchains/1f9b40e71a/usr/local'
  sys.exec_prefix = '/home/gjs/ncs/toolchains/1f9b40e71a/usr/local'
  sys.path = [
    '/home/gjs/ncs/toolchains/1f9b40e71a/usr/local/lib/python3.8/site-packages',
    '/home/gjs/ncs/toolchains/1f9b40e71a/usr/local/lib/python310.zip',
    '/home/gjs/ncs/toolchains/1f9b40e71a/usr/local/lib/python3.10',
    '/home/gjs/ncs/toolchains/1f9b40e71a/usr/local/lib/python3.10/lib-dynload',
  ]
Fatal Python error: init_fs_encoding: failed to get the Python codec of the filesystem encoding
Python runtime state: core initialized
ModuleNotFoundError: No module named 'encodings'

 

Current thread 0x00007f8877a961c0 (most recent call first):
<no Python frame>
 

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