addition of warnings

Author: jtsodapop

labelbox/data/annotation_types/classification/classification.py

@@ -1,4 +1,5 @@
 from typing import Any, Dict, List, Union, Optional
+import warnings
 
 try:
     from typing import Literal
@@ -18,7 +19,6 @@ def dict(self, *args, **kwargs):
         res.pop('name')
         return res
 
-
 class ClassificationAnswer(FeatureSchema):
     """
     - Represents a classification option.
@@ -74,4 +74,10 @@ class Dropdown(_TempName):
     - This is not currently compatible with MAL.
     """
     name: Literal["dropdown"] = "dropdown"
-    answer: List[ClassificationAnswer]
+    answer: List[ClassificationAnswer]    
+
+    def __init__(self, **data: Any):
+        warnings.warn(
+            "Dropdown classification is deprecated and will be "
+            "removed in a future release")
+        super().__init__(**data)       

labelbox/schema/ontology.py

@@ -4,6 +4,7 @@
 from dataclasses import dataclass, field
 from enum import Enum
 from typing import Any, Dict, List, Optional, Union, Type
+import warnings
 
 from pydantic import constr
 
@@ -127,6 +128,12 @@ class Type(Enum):
     schema_id: Optional[str] = None
     feature_schema_id: Optional[str] = None
 
+    def __post_init__(self):
+        if self.class_type == Classification.Type.DROPDOWN:
+            warnings.warn(
+            "Dropdown classification is deprecated and will be "
+            "removed in a future release")
+
     @property
     def name(self) -> str:
         return self.instructions