update configuration

GANDLF/Configuration/Parameters/user_defined_parameters.py

@@ -64,7 +64,9 @@ class UserDefinedParameters(DefaultParameters):
     data_postprocessing_after_reverse_one_hot_encoding: dict = Field(
         description="data_postprocessing_after_reverse_one_hot_encoding.", default={}
     )
-    differential_privacy: dict = Field(description="Differential privacy.", default={})
+    differential_privacy: dict = Field(
+        description="Differential privacy.", default=None
+    )
     # TODO: It should be defined with a better way (using a BaseModel class)
     data_preprocessing: Annotated[
         dict,

GANDLF/Configuration/Parameters/validators.py

@@ -410,11 +410,13 @@ def validate_data_augmentation(value, patch_size) -> dict:
 
 
 def validate_differential_privacy(value, batch_size):
-    # if not isinstance(value, dict):
-    #     print(
-    #         "WARNING: Non dictionary value for the key: 'differential_privacy' was used, replacing with default valued dictionary."
-    #     )
-    #     value = {}
+    if value is None:
+        return value
+    if not isinstance(value, dict):
+        print(
+            "WARNING: Non dictionary value for the key: 'differential_privacy' was used, replacing with default valued dictionary."
+        )
+        value = {}
     # these are some defaults
     value = initialize_key(value, "noise_multiplier", 10.0)
     value = initialize_key(value, "max_grad_norm", 1.0)

GANDLF/config_manager.py

@@ -43,7 +43,7 @@ def ConfigManager(
     try:
         parameters = Parameters(
             **_parseConfig(config_file_path, version_check_flag)
-        ).model_dump()
+        ).model_dump(exclude_none=True)
         return parameters
     # except Exception as e:
     #     ## todo: ensure logging captures assertion errors