Checking: /home/travis/build/ngnrsaa/qflex/python/qflex_cirq_example.py
scripts/check_format.sh: line 58: yapf3: command not found
Checking: /home/travis/build/ngnrsaa/qflex/python/cirq_interface/fsim_gate.py
scripts/check_format.sh: line 58: yapf3: command not found
{...}
From the logs on a recent check: