Refactoring/#221 fixed mypy warnings #230

Job	Run time
Run Slow or Expensive Tests (e.g. SaaS)?	1s
Checks / Version Check	20s
Checks / Unit Tests / build_and_test	1m 29s
Checks / Type Checking (Python-3.10)	40s
Checks / Linting (Python-3.10)	1m 16s
Gate 1 - Regular CI	1s
metrics / Generate Status Report	0s
iTests (with DB) / build_and_test	8m 42s
iTests (no DB) / Prepare Matrix for integration tests without DB	19s
iTests (no DB) / Run test_broadcast.py	32s
iTests (no DB) / Run test_gather.py	37s
iTests (no DB) / Run test_communicator.py	2m 58s
iTests (no DB) / Run test_multi_node_discovery.py	23m 59s
iTests (no DB) / Run test_localhost_discovery.py	22m 10s
iTests (no DB) / Run test_poll.py	44s
iTests (no DB) / Run test_add_peer_and_close.py	33m 11s
iTests (no DB) / Run test_add_peer_forward_and_wait_for_peers.py	35m 35s
iTests (no DB) / Run test_add_peer_and_wait_close.py	3m 0s
iTests (no DB) / Run test_send_recv.py	34m 29s
iTests (no DB) / Run test_add_peer_and_wait_for_peers.py	32m 46s
iTests (no DB) / Run test_add_peer_forward_and_close.py	35m 41s
Gate 2 - Allow Merge	1s
	3h 58m 31s

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