Crash during testing with pygaze_trackertest about pygaze

[cyrus]

When I comment out the following tests, the rest of the tests pass
'''
tracker.wait_for_fixation_start,
tracker.wait_for_fixation_end,
tracker.wait_for_saccade_start,
tracker.wait_for_saccade_end,
tracker.wait_for_blink_start,
tracker.wait_for_blink_end,
'''

Also, there is a problem with the function:

tracker.fix_triggered_drift_correction()

I have to press the ESCAPE key to break out of that one....

Any idea what is wrong, @esdalmaijer or @smathot or others?

(I forgot to mention: I am testing this with @smathot 's fork of PyGaze.)

-Cyrus