Change Details

- put comments on previous line to let the automatic code formatting do its job - save some indentation levels - add a few typehints - use f-strings - tx_cache_put is always called with a valid Transaction, no need to check for `tx is not None`

- put comments on previous line to let the automatic code formatting do its job - save some indentation levels - add a few typehints - use f-strings - tx_cache_put is always called with a valid Transaction, no need to check for `tx is not None` - move imports to the top of the file (they are always imported anyway by other modules, and multiple imports add no significant additional cost)

- put comments on previous line to let the automatic code formatting do its job - save some indentation levels - add a few typehints - use f-strings - tx_cache_put is always called with a valid Transaction, no need to check for `tx is not None` - move imports to the top of the file (they are always imported anyway by other modules, and multiple imports add no significant additional cost)