None type edge case catch #265

Job	Run time
apply-label-to-new-pr	5s
check-labels	14s
pull-docker-image	43s
find-e2e-tests	9s
run-unit-test	2m 7s
e2e tests: /home/runner/work/async-substrate-interface/async-substrate-interface/btcli/tests/e2e_tests/test_liquidity.py	2m 20s
e2e tests: /home/runner/work/async-substrate-interface/async-substrate-interface/btcli/tests/e2e_tests/test_staking_sudo.py	3m 56s
e2e tests: /home/runner/work/async-substrate-interface/async-substrate-interface/btcli/tests/e2e_tests/test_children_hotkeys.py	2m 41s
e2e tests: /home/runner/work/async-substrate-interface/async-substrate-interface/btcli/tests/e2e_tests/test_root.py	1m 3s
e2e tests: /home/runner/work/async-substrate-interface/async-substrate-interface/btcli/tests/e2e_tests/test_wallet_interactions.py	3m 54s
e2e tests: /home/runner/work/async-substrate-interface/async-substrate-interface/btcli/tests/e2e_tests/test_hyperparams_setting.py	4m 29s
e2e tests: /home/runner/work/async-substrate-interface/async-substrate-interface/btcli/tests/e2e_tests/test_unstaking.py	5m 27s
e2e tests: /home/runner/work/async-substrate-interface/async-substrate-interface/btcli/tests/e2e_tests/test_wallet_creations.py	2m 3s
e2e tests: /home/runner/work/async-substrate-interface/async-substrate-interface/btcli/tests/e2e_tests/test_senate.py	3m 50s
	33m 1s

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