Update tools/final_answer.py

tools/final_answer.py

@@ -1,60 +1,14 @@
-# Import necessary types from the typing module.
-# 'Any' means the variable can be of any type.
-# 'Optional' is used when a variable can also be None (not used in this snippet but imported for completeness).
 from typing import Any, Optional
-
-# Import the base Tool class from the smolagents.tools module.
-# This is the class that our FinalAnswerTool will inherit from.
 from smolagents.tools import Tool
 
-# Define a new class called FinalAnswerTool that inherits from Tool.
-# This means FinalAnswerTool will have all the features of a Tool, with some custom behavior added.
 class FinalAnswerTool(Tool):
-    # 'name' is a class attribute that identifies the tool.
-    # It tells the system that this tool is called "final_answer".
     name = "final_answer"
-    
-    # 'description' is a human-readable string that explains what the tool does.
-    # This tool is designed to provide a final answer to a problem.
     description = "Provides a final answer to the given problem."
-    
-    # 'inputs' is a dictionary that describes what input(s) the tool expects.
-    # In this case, it expects a key 'answer' that can be of any type.
-    # The description helps users understand what they need to provide.
-    inputs = {
-        'answer': {
-            'type': 'any',  # The input 'answer' can be any type (string, number, etc.)
-            'description': 'The final answer to the problem'  # A simple explanation of the expected input.
-        }
-    }
-    
-    # 'output_type' tells the system what type of value this tool will return.
-    # Here, 'any' means that the output can be of any type.
+    inputs = {'answer': {'type': 'any', 'description': 'The final answer to the problem'}}
     output_type = "any"
 
-    # Define the main function of the tool, called 'forward'.
-    # This function is called when the tool is used.
-    # It accepts any number of positional arguments (*args) and keyword arguments (**kwargs).
-    def forward(self, *args, **kwargs) -> Any:
-        # First, check if there is a keyword argument named 'answer'.
-        # This would be the case if the tool was called like final_answer(answer="4.52%").
-        if 'answer' in kwargs:
-            answer = kwargs['answer']
-        # If no keyword argument was provided, check if there are any positional arguments.
-        # If there is at least one, use the first positional argument as the answer.
-        elif args:
-            answer = args[0]
-        # If neither a keyword nor any positional arguments were provided,
-        # then there is no answer, so raise an error to inform the user.
-        else:
-            raise ValueError("No answer provided to the final_answer tool.")
-        # Return the answer that was provided to the tool.
+    def forward(self, answer: Any) -> Any:
         return answer
 
-    # The __init__ method is the constructor for the class.
-    # It is called when an instance of FinalAnswerTool is created.
-    # It accepts any number of arguments, but here we only use it to initialize a variable.
     def __init__(self, *args, **kwargs):
-        # Set the instance variable 'is_initialized' to False.
-        # This flag can be used later to check if any further initialization is needed.
-        self.is_initialized = False
+        self.is_initialized = False