reduce diff

Signed-off-by: Kyle Sayers <[email protected]>

Author: kylesayrs

src/compressed_tensors/quantization/quant_args.py

@@ -12,13 +12,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import warnings
 from enum import Enum
 from typing import Any, Dict, List, Optional, Union
 
 import torch
 from compressed_tensors.utils import Aliasable
-from compressed_tensors.utils.helpers import deprecated
 from pydantic import BaseModel, ConfigDict, Field, field_validator, model_validator
 
 

src/compressed_tensors/quantization/quant_scheme.py

@@ -85,9 +85,6 @@ def validate_model_after(model: "QuantizationScheme") -> "QuantizationScheme":
             if inputs.actorder is not None:
                 raise ValueError("Cannot apply actorder to input activations")
 
-            if inputs.observer is None:
-                inputs.observer
-
         # validate output args
         if outputs is not None:
             if outputs.actorder is not None:
@@ -206,7 +203,6 @@ def is_preset_scheme(name: str) -> bool:
         symmetric=True,
         dynamic=False,
         group_size=16,
-        observer="static_minmax",
     ),
     input_activations=QuantizationArgs(
         num_bits=4,
@@ -215,7 +211,6 @@ def is_preset_scheme(name: str) -> bool:
         symmetric=True,
         dynamic=DynamicType.LOCAL,
         group_size=16,
-        observer="static_minmax",
     ),
 )