Refactor app.py

Removed the Tool class definition and the calculator_tool invocation that was causing issues.

app.py

@@ -7,66 +7,6 @@ from tools.final_answer import FinalAnswerTool
 
 from Gradio_UI import GradioUI
 
-#
-
-
-# This is a class dedicated for creating tools
-
-class Tool:
-    """
-    A class representing a reusable piece of code (Tool).
-
-    Attributes:
-        name (str): Name of the tool.
-        description (str): A textual description of what the tool does.
-        func (callable): The function this tool wraps.
-        arguments (list): A list of argument.
-        outputs (str or list): The return type(s) of the wrapped function.
-    """
-    def __init__(self,
-                name: str,
-                description: str,
-                func: callable,
-                arguments: list,
-                outputs: str):
-        self.name = name
-        self.description = description
-        self.func = func
-        self.arguments = arguments
-        self.outputs = outputs
-
-    def to_string(self) -> str:
-        """
-        Return a string representation of the tool,
-        including its name, description, arguments, and outputs.
-        """
-        args_str = ", ".join([
-            f"{arg_name}: {arg_type}" for arg_name, arg_type in self.arguments
-        ])
-
-        return (
-            f"Tool Name: {self.name,}"
-            f"Description: {self.description,}"
-            f"Arguments: {args_str},"
-            f"Outputs: {self.outputs}"
-        )
-
-    def __call__(self, *args, **kwargs):
-        """
-        Invoke the underlying function (callable) with provided arguments.
-        """
-
-        return self.func(*args, **kwargs)
-
-#  Here are tools created the Tool class
-
-calculator_tool = Tool(
-    "calculator",
-    "Multiply",
-    calculator,
-    [("a", "int"), ("b", "int")],
-    "int",
-)
 
 # Below is an example of a tool that does nothing. Amaze us with your creativity!