Update to support create_ontology_from_feature_schemas

Author: Val Brodsky

libs/labelbox/src/labelbox/schema/ontology.py

@@ -492,10 +492,6 @@ def add_classification(self, classification: Classification) -> None:
 
 def tool_cls_from_type(tool_type: str):
     if tool_type.lower() == ToolType.STEP_REASONING.value:
-        from labelbox.schema.tool_building.step_reasoning_tool import (
-            StepReasoningTool,
-        )
-
         return StepReasoningTool
     return Tool
 
@@ -539,12 +535,6 @@ def __init__(self, *args, **kwargs) -> None:
             Union[List[Classification], List[PromptResponseClassification]]
         ] = None
 
-    def _tool_deserializer_cls(self, tool: Dict[str, Any]) -> Tool:
-        import pdb
-
-        pdb.set_trace()
-        return Tool
-
     def tools(self) -> List[Tool]:
         """Get list of tools (AKA objects) in an Ontology."""
         if self._tools is None: