def _canonicalize_header(name):
    return name.strip().lower()
Waits for multiple handles. (Similar to 'select') Returns the handle which is ready.
dataset/ETHPy150Open catalyst256/gobbler/gobbler/layers/http.py/_canonicalize_header--crossover with--dataset/ETHPy150Open jonathanslenders/python-prompt-toolkit/prompt_toolkit/eventloop/win32.py/_wait_for_handles