models: fixed pydantic deprecation warning

src/aare/common/models.py

@@ -3,7 +3,7 @@ import re
 from enum import Enum
 from typing import Annotated, Literal, Tuple, List, Optional
 from dataclasses import dataclass
-from pydantic import BaseModel, Field, field_validator, AfterValidator
+from pydantic import BaseModel, Field, field_validator, AfterValidator, ConfigDict
 
 from aare.common.coordinate import Coordinate, positive_coords
 from aare.common.diffraction_geometry import DiffractionGeometry
@@ -53,6 +53,8 @@ class PuckLoadedInfo(BaseModel):
 
 
 class DataCollectionParameters(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
+
     directory: Optional[str] = None
     oscillation: Optional[float] = None  # Only accept positive float
     exposure: Optional[float] = None  # Only accept positive floats between 0 and 1
@@ -82,12 +84,7 @@ class DataCollectionParameters(BaseModel):
 
     def to_dict(self):
         """Convert the model instance to a dictionary."""
-        return self.dict(
-            exclude_unset=True
-        )  # Use this built-in method for serialization
-
-    class Config:
-        from_attributes = True
+        return self.model_dump(exclude_unset=True)
 
     @field_validator("directory", mode="after")
     @classmethod