Traceback (most recent call last):
  File "trezorlib\transport\bridge.py", line 159, in begin_session
  File "trezorlib\transport\bridge.py", line 143, in _call
  File "trezorlib\transport\bridge.py", line 52, in call_bridge
trezorlib.transport.bridge.BridgeException: trezord: acquire/1/11 failed with code 400: wrong previous session

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "electrum\gui\qt\wizard\wizard.py", line 199, in on_next_button_clicked
  File "electrum\gui\qt\wizard\wallet.py", line 1256, in apply
  File "electrum\plugin.py", line 406, in wrapper
  File "electrum\plugin.py", line 399, in run_in_hwd_thread
  File "concurrent\futures\_base.py", line 458, in result
  File "concurrent\futures\_base.py", line 403, in __get_result
  File "concurrent\futures\thread.py", line 58, in run
  File "electrum\plugins\hw_wallet\plugin.py", line 260, in get_password_for_storage_encryption
    xpub = self.get_xpub(derivation, "standard")
  File "electrum\plugin.py", line 406, in wrapper
  File "electrum\plugin.py", line 396, in run_in_hwd_thread
  File "electrum\plugins\trezor\clientbase.py", line 142, in get_xpub
    node = trezorlib.btc.get_public_node(self.client, address_n).node
  File "trezorlib\tools.py", line 285, in wrapped_f
  File "trezorlib\btc.py", line 127, in get_public_node
  File "trezorlib\tools.py", line 306, in wrapped_f
  File "trezorlib\client.py", line 140, in open
  File "trezorlib\transport\bridge.py", line 162, in begin_session
trezorlib.transport.DeviceIsBusy: 1