Traceback (most recent call last): File "C:\Program Files (x86)\Tinkerforge\Brickv\plugin_system\plugins\imu\imu_gl_widget.py", line 117, in initializeGL glClearColor(*self.color_background) File "errorchecker.pyx", line 50, in OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError (src\errorchecker.c:574) OpenGL.error.GLError: GLError( err = 1282, description = 'invalid operation', baseOperation = glClearColor, cArguments = ( 0.84999999999999998, 0.84999999999999998, 0.84999999999999998, 1.0, ) )