trezor-firmware/mocks/sys.py

def exit(retval=0):
    pass

def print_exception(exc, file=None):
    pass

argv = []
byteorder = None
implementation = None
maxsize = None
modules = []
path = []
platform = 'mock'
stderr = None
stdin = None
stdout = None
version = 'mock-version'
version_info = (0, 0, 0)