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It fails in one of two places: [ 24%] Generating ../../python_libs/gen_solidity_venv.info .... File "/usr/local/Cellar/[email protected]/3.7.13_1/bin/../Frameworks/Python.framework/Versions/3.7/lib/python3.7/os.py", line 812, in fsencode filename = fspath(filename) # Does type-checking of `filename`. TypeError: expected str, bytes...

Add fee-bump to example-cli example crate

1

### Description Opening for feedback. This adds a `run_bump_cmd` to `example_cli` and tweaks `nursery/coin_select/src/coin_selector.rs` to allow required utxos. ### Notes to the reviewers ### Changelog notice ### Checklists #### All...