ModernGL Project Issue

# Lightning
self.shader["cameraPosition"].write(self.app.camera.position)
for index,light in enumerate(self.app.lights):
    try:
        self.shader[f'lights[{index}].position'].write(light.position)
        self.shader[f'lights[{index}].Iambient'].write(light.ambient)
        self.shader[f'lights[{index}].Idiffuse'].write(light.diffuse)
        self.shader[f'lights[{index}].Ispecular'].write(light.specular)
    except KeyError as error:
        print(f'KeyError: {error}')