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_input.ioctl_EVIOCGRAB(self.fd, 0) #3

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@gsgault

Noob here, but learning as I go. I managed to install Python-Touchscreen-RightClick on my Lenovo Yoga 2 11. Both the two-finger tap and the long touch activate a right-click, but a normal one-finger tap results in the following error. I am wondering if someone could help me out. Here's what I get in the terminal:

$ sudo python2.7 ~/.scripts/Python-Touchscreen-RightClick-master/Python_Touchscreen_RightClick.py
[sudo] password for ******
('Total Fingers used: ', 2)
('Total Fingers used: ', 1)
Traceback (most recent call last):
  File "/home/glenn/.scripts/Python-Touchscreen-RightClick-master/Python_Touchscreen_RightClick.py", line 163, in <module>
    initiate_gesture_find()
  File "/home/glenn/.scripts/Python-Touchscreen-RightClick-master/Python_Touchscreen_RightClick.py", line 155, in initiate_gesture_find
    MT_event.remove_fingers()
  File "/home/glenn/.scripts/Python-Touchscreen-RightClick-master/Python_Touchscreen_RightClick.py", line 64, in remove_fingers
    self.dev.ungrab()
  File "/usr/local/lib/python2.7/dist-packages/evdev/device.py", line 299, in ungrab
    _input.ioctl_EVIOCGRAB(self.fd, 0)
IOError: [Errno 22] Invalid argument

The ('Total Fingers used: ', 2) is a successful two-finger right click.
The ('Total Fingers used: ', 1) is a single-finger tap that results in a successful left click, but causes an error, and python exits.

More system details:

System:    Host: solydxk Kernel: 4.8.0-1-amd64 x86_64 (64 bit gcc: 5.4.1)
           Desktop: Xfce 4.12.3 (Gtk 2.24.30) Distro: SolydXK
Machine:   Device: laptop System: LENOVO product: 20332 v: Lenovo Yoga 2 11
           Mobo: LENOVO model: AIUU1 v: SDK0J407WIN
           UEFI: LENOVO v: 92CN94WW(V1.94) date: 08/19/2015
$ xinput list-props 11
Device 'Atmel Atmel maXTouch Digitizer':
	Device Enabled (140):	1
	Coordinate Transformation Matrix (142):	1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
	libinput Calibration Matrix (279):	1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
	libinput Calibration Matrix Default (280):	1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000

	libinput Send Events Modes Available (261):	1, 0
	libinput Send Events Mode Enabled (262):	0, 0
	libinput Send Events Mode Enabled Default (263):	0, 0
	Device Node (264):	"/dev/input/event12"
	Device Product ID (265):	1003, 34904
	libinput Horizontal Scroll Enabled (266):	0

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