queues = []
procs = []
+
# The message queues live outside of python space, and must be formally cleaned!
def final():
"""In case the program is cancelled or quit, we need to clean up the PulseIn
atexit.register(final)
+
# pylint: disable=c-extension-no-member
class PulseIn:
"""PulseIn Class to read PWM signals"""