TimeoutError not defined in Python 2.7

[Vince-vd]

global name 'TimeoutError' is not defined
When the TimeoutError is raised in Python 2.7 it results in a NameError. From what I can tell TimeoutError wasn't introduced until Python 3.3

Recommendation
Please define a custom "TimeoutError" class in the beginning of the library for systems using Python 2. It would be very helpful to be able to handle this error in my code where I import the library when this happens. Right now I have to handle it as a "NameError" instead.

[abelectronicsuk]

Thank you for your message. I have added a custom TimeoutError class to the ADC Pi and ADC Differential Pi libraries.

[Vince-vd]

Works like a charm.
Thanks for the quick response and modification!