When I run the provided test script "integrations_glfw3.py", I met the following error.
I use PyOpenGL=3.1.7, imgui=2.0.0 on Ubuntu22.04

File "pyimgui/doc/examples/integrations_glfw3.py", line 89, in
main()
File "pyimgui/doc/examples/integrations_glfw3.py", line 15, in main
impl = GlfwRenderer(window)
File "/home/gaps-sccg/anaconda3/envs/imgui/lib/python3.7/site-packages/imgui/integrations/glfw.py", line 13, in init
super(GlfwRenderer, self).init()
File "/home/gaps-sccg/anaconda3/envs/imgui/lib/python3.7/site-packages/imgui/integrations/opengl.py", line 60, in init
super(ProgrammablePipelineRenderer, self).init()
File "/home/gaps-sccg/anaconda3/envs/imgui/lib/python3.7/site-packages/imgui/integrations/base.py", line 17, in init
self._create_device_objects()
File "/home/gaps-sccg/anaconda3/envs/imgui/lib/python3.7/site-packages/imgui/integrations/opengl.py", line 125, in _create_device_objects
gl.glVertexAttribPointer(self._attrib_location_position, 2, gl.GL_FLOAT, gl.GL_FALSE, imgui.VERTEX_SIZE, ctypes.c_void_p(imgui.VERTEX_BUFFER_POS_OFFSET))
File "/home/gaps-sccg/anaconda3/envs/imgui/lib/python3.7/site-packages/OpenGL/latebind.py", line 61, in call
return self.wrapperFunction( self.baseFunction, *args, **named )
File "/home/gaps-sccg/anaconda3/envs/imgui/lib/python3.7/site-packages/OpenGL/GL/VERSION/GL_2_0.py", line 426, in glVertexAttribPointer
contextdata.setValue( key, array )
File "/home/gaps-sccg/anaconda3/envs/imgui/lib/python3.7/site-packages/OpenGL/contextdata.py", line 65, in setValue
current = storage.get( context )
File "/home/gaps-sccg/anaconda3/envs/imgui/lib/python3.7/site-packages/OpenGL/_opaque.py", line 20, in hash
return self.address
File "/home/gaps-sccg/anaconda3/envs/imgui/lib/python3.7/site-packages/OpenGL/_opaque.py", line 14, in address
return ctypes.addressof( self.contents )
ValueError: NULL pointer access