Upload tool

app.py

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+from smolagents import launch_gradio_demo
+from tool import SimpleTool
+
+tool = SimpleTool()
+
+launch_gradio_demo(tool)

requirements.txt

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+smolagents

tool.py

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+from smolagents import Tool
+from typing import Any, Optional
+
+class SimpleTool(Tool):
+    name = "calculator"
+    description = "Calculate the result of the expression."
+    inputs = {"expr":{"type":"string","description":"The math expression to calculate."}}
+    output_type = "string"
+
+    def forward(self, expr: str) -> str:
+        """
+        Calculate the result of the expression.
+        Args:
+            expr: The math expression to calculate.
+        Returns:
+            The result of the expression.
+        """
+        return eval(expr)