add explicit sdnq import

Signed-off-by: Vladimir Mandic <mandic00@live.com>

modules/sd_models.py

@@ -310,6 +310,7 @@ def load_diffuser_initial(diffusers_load_config, op='model'):
 
 
 def load_diffuser_force(detected_model_type, checkpoint_info, diffusers_load_config, op='model'):
+    from modules import sdnq # pylint: disable=unused-import
     sd_model = None
     global allow_post_quant # pylint: disable=global-statement
     unload_model_weights(op=op)

modules/video_models/video_load.py

@@ -30,6 +30,7 @@ def load_custom(model_name: str):
 
 
 def load_model(selected: models_def.Model):
+    from modules import sdnq # pylint: disable=unused-import
     if selected is None or selected.repo is None:
         return ''
     global loaded_model # pylint: disable=global-statement