diff --git a/examples/nlp/huggingface_model/text_generation/quantization/weight_only/run_benchmark.sh b/examples/nlp/huggingface_model/text_generation/quantization/weight_only/run_benchmark.sh
index 97754097b..64706c474 100644
--- a/examples/nlp/huggingface_model/text_generation/quantization/weight_only/run_benchmark.sh
+++ b/examples/nlp/huggingface_model/text_generation/quantization/weight_only/run_benchmark.sh
@@ -14,19 +14,19 @@ function init_params {
   do
     case $var in
       --input_model=*)
-          input_model=$(echo $var |cut -f2 -d=)
+          input_model=$(echo "$var" |cut -f2 -d=)
       ;;
       --batch_size=*)
-          batch_size=$(echo $var |cut -f2 -d=)
+          batch_size=$(echo "$var" |cut -f2 -d=)
       ;;
       --tokenizer=*)
-          tokenizer=$(echo $var |cut -f2 -d=)
+          tokenizer=$(echo "$var" |cut -f2 -d=)
       ;;
       --mode=*)
-          mode=$(echo $var |cut -f2 -d=)
+          mode=$(echo "$var" |cut -f2 -d=)
       ;;
       --intra_op_num_threads=*)
-          intra_op_num_threads=$(echo $var |cut -f2 -d=)
+          intra_op_num_threads=$(echo "$var" |cut -f2 -d=)
       ;;
     esac
   done
diff --git a/examples/nlp/huggingface_model/text_generation/quantization/weight_only/run_quant.sh b/examples/nlp/huggingface_model/text_generation/quantization/weight_only/run_quant.sh
index 255611b22..0ddf19804 100644
--- a/examples/nlp/huggingface_model/text_generation/quantization/weight_only/run_quant.sh
+++ b/examples/nlp/huggingface_model/text_generation/quantization/weight_only/run_quant.sh
@@ -12,25 +12,25 @@ function init_params {
   do
     case $var in
       --input_model=*)
-          input_model=$(echo $var |cut -f2 -d=)
+          input_model=$(echo "$var" |cut -f2 -d=)
       ;;
       --output_model=*)
-          output_model=$(echo $var |cut -f2 -d=)
+          output_model=$(echo "$var" |cut -f2 -d=)
       ;;
       --batch_size=*)
-          batch_size=$(echo $var |cut -f2 -d=)
+          batch_size=$(echo "$var" |cut -f2 -d=)
       ;;
       --dataset=*)
-          dataset=$(echo $var |cut -f2 -d=)
+          dataset=$(echo "$var" |cut -f2 -d=)
       ;;
       --tokenizer=*)
-          tokenizer=$(echo $var |cut -f2 -d=)
+          tokenizer=$(echo "$var" |cut -f2 -d=)
       ;;
       --algorithm=*)
-          algorithm=$(echo $var |cut -f2 -d=)
+          algorithm=$(echo "$var" |cut -f2 -d=)
       ;;
       --quant_format=*)
-          quant_format=$(echo $var |cut -f2 -d=)
+          quant_format=$(echo "$var" |cut -f2 -d=)
       ;;
     esac
   done
diff --git a/onnx_neural_compressor/quantization/config.py b/onnx_neural_compressor/quantization/config.py
index 01acd7eaf..20c58fd32 100644
--- a/onnx_neural_compressor/quantization/config.py
+++ b/onnx_neural_compressor/quantization/config.py
@@ -200,6 +200,7 @@ class ExampleAlgorithmConfig:
 
     return config_registry.register_config_impl(algo_name=algo_name, priority=priority)
 
+
 class Encoder(json.JSONEncoder):
     def default(self, o):
         if isinstance(o, quantization.QuantType):
@@ -209,7 +210,8 @@ def default(self, o):
         if isinstance(o, quantization.CalibrationMethod):
             return getattr(o, "name")
         return super().default(o)
- 
+
+
 class BaseConfig(ABC):
     """The base config for all algorithm configs."""
 
diff --git a/test/quantization/test_algorithm_utility.py b/test/quantization/test_algorithm_utility.py
index 28525eeca..4ab8fc5db 100644
--- a/test/quantization/test_algorithm_utility.py
+++ b/test/quantization/test_algorithm_utility.py
@@ -41,5 +41,6 @@ def test_is_B_transposed(self):
         )
         self.assertFalse(quant_utils.is_B_transposed(node))
 
+
 if __name__ == "__main__":
     unittest.main()