quantizer.

Author: sayakpaul

src/diffusers/models/modeling_utils.py

@@ -319,8 +319,7 @@ def save_pretrained(
         quantization_serializable = (
             hf_quantizer is not None and isinstance(hf_quantizer, DiffusersQuantizer) and hf_quantizer.is_serializable
         )
-
-        if hf_quantizer is not None and not quantization_serializable:
+        if not quantization_serializable:
             raise ValueError(
                 f"The model is quantized with {hf_quantizer.quantization_config.quant_method} and is not serializable - check out the warnings from"
                 " the logger on the traceback to understand the reason why the quantized model is not serializable."