Fixed exec tool.

tools/excel_analysis_tool.py

@@ -4,18 +4,29 @@ from huggingface_hub import hf_hub_download
 
 class ExcelAnalysisTool(Tool):
     def __init__(self):
-        super().__init__(
-            name="ExcelAnalysisTool",
-            description=(
-                "Loads an Excel file from the GAIA dataset on Hugging Face and calculates "
-                "the total sales for items labeled as 'food', excluding drinks. "
-                "Provide input as a string with the filename, e.g., 'sales_data.xlsx'."
-            ),
-            inputs=["filename"]
+        self.name = "ExcelAnalysisTool"
+        self.description = (
+            "Loads an Excel file from the GAIA dataset on Hugging Face and calculates "
+            "the total sales for items labeled as 'food', excluding drinks. "
+            "Provide input as a string with the filename, e.g., 'sales_data.xlsx'."
         )
+        self.inputs = {
+            "filename": {
+                "type": "string",
+                "description": "The name of the Excel file to process (e.g., 'sales_data.xlsx').",
+                "nullable": True  # Сделать filename необязательным
+            }
+        }
+        self.output_type = "string"
         self.repo_id = "gaia-benchmark/GAIA"
+        super().__init__(
+            name=self.name,
+            description=self.description,
+            inputs=self.inputs,
+            output_type=self.output_type
+        )
 
-    def __call__(self, filename: str) -> str:
+    def forward(self, filename: str = "") -> str:
         """
         Loads and processes the Excel file.
 
@@ -25,6 +36,9 @@ class ExcelAnalysisTool(Tool):
         Returns:
             str: Total food sales in USD, or an error message.
         """
+        if not filename:
+            return "Error: 'filename' is required."
+
         try:
             # Download the file from Hugging Face Hub
             file_path = hf_hub_download(
@@ -50,4 +64,4 @@ class ExcelAnalysisTool(Tool):
         except KeyError as e:
             return f"Error: Missing expected column in the Excel file: {str(e)}"
         except Exception as e:
-            return f"An unexpected error occurred: {str(e)}"
+            return f"An unexpected error occurred: {str(e)}"