QOpenGLWidget crashes when deleting QOpenGLTexture after switching GL Context

from OpenGL import GL
from PyQt5 import QtWidgets, QtCore, QtGui

class Test(QtWidgets.QMainWindow):
    def __init__(self):
        super(Test, self).__init__()

        self.dock = QtWidgets.QDockWidget("dock", self)
        self.ogl = GLWidget()

        self.dock.setWidget(self.ogl)
        self.dock.setFloating(False)
        self.addDockWidget(QtCore.Qt.RightDockWidgetArea, self.dock)

class GLWidget(QtWidgets.QOpenGLWidget):
    def __init__(self):
        QtWidgets.QOpenGLWidget.__init__(self)
        self.setMinimumSize(640, 480)

        # Set to any image
        self.qim = QtGui.QImage("images/gridDark.jpg")

    def paintGL(self):
        GL.glLoadIdentity()
        GL.glTranslatef(0, 0, -1)
        GL.glColor3f( 1.0, 1.5, 0.0 );

        print "About to set texture (checkpoint 0)"
        self.texture = QtGui.QOpenGLTexture(self.qim)
        print "Texture has been set (checkpoint 1)"
        self.texture.bind()

        w, h = 10,10
        GL.glEnable(GL.GL_TEXTURE_2D)
        GL.glColor3f( 1.0, 1.0, 1.0 )
        GL.glLoadIdentity()
        GL.glBindTexture(GL.GL_TEXTURE_2D, self.texture.textureId())
        GL.glBegin(GL.GL_QUADS)
        GL.glTexCoord2d(0,0)
        GL.glVertex2d(0,0)
        GL.glTexCoord2d(1,0)
        GL.glVertex2d(w,0)
        GL.glTexCoord2d(1,1)
        GL.glVertex2d(w,h)
        GL.glTexCoord2d(0,1)
        GL.glVertex2d(0,h)
        GL.glEnd()

        GL.glFlush()

    def initializeGL(self):
        GL.glMatrixMode(GL.GL_PROJECTION)
        GL.glOrtho(0, 1, 1, 0, -1.0, 100.0)
        GL.glMatrixMode(GL.GL_MODELVIEW)

if __name__ == '__main__':
    QtCore.QCoreApplication.setAttribute(QtCore.Qt.AA_ShareOpenGLContexts)
    app = QtWidgets.QApplication([])
    window = Test()
    window.show()
    app.exec_()