Update quantize.py

Fix typo (func -> q.__init__)

Author: mikekgfb

torchchat/utils/quantize.py

@@ -122,7 +122,7 @@ def quantize_model(
             precision = get_precision()
 
             q = quantizer_class_dict[quantizer]
-            named_params = get_named_params(func)
+            named_params = get_named_params(q.__init__)
             q_kwargs = validate_args(named_params, quantizer, q_kwargs)
 
             # Handle tokenizer for scenarios where the quantizer needs to tokenizer sample inputs