Small fixes to Electrum and Esplora APIs #1190

Job	Run time
Build and test macOS arm64 wheels (3.8)	6m 57s
Build and test macOS x86_64 wheels (3.8)	8m 37s
Build and test macOS arm64 wheels (3.9)	9m 30s
Build and test Manylinux 2.28 x86_64 wheels (cp38-cp38)	3m 55s
Build and test macOS x86_64 wheels (3.9)	7m 30s
Build and test Manylinux 2.28 x86_64 wheels (cp39-cp39)	3m 48s
Build and test macOS arm64 wheels (3.10)	5m 56s
Build and test Windows wheels (3.8)	5m 58s
Build and test macOS x86_64 wheels (3.10)	8m 0s
Build and test Manylinux 2.28 x86_64 wheels (cp310-cp310)	3m 51s
Build and test macOS arm64 wheels (3.11)	5m 29s
Build and test Windows wheels (3.9)	5m 57s
Build and test macOS x86_64 wheels (3.11)	11m 46s
Build and test Manylinux 2.28 x86_64 wheels (cp311-cp311)	3m 45s
Build and test macOS arm64 wheels (3.12)	6m 14s
Build and test Windows wheels (3.10)	6m 41s
Build and test macOS x86_64 wheels (3.12)	5m 1s
Build and test Manylinux 2.28 x86_64 wheels (cp312-cp312)	3m 47s
Build and test Windows wheels (3.11)	6m 6s
Build and test Windows wheels (3.12)	5m 42s
	2h 4m 30s

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