Update tools/FinalAnswerTool.py

tools/FinalAnswerTool.py

@@ -10,23 +10,26 @@ settings = Settings()
 print(settings.llm_model_id)
 class FinalAnswerTool(Tool):
     name = "final_answer"
-    description = "Provides the exact, few comma separated  words or a single final answer to the given question."
+    description = "Provides the exact, few comma separated words or a single final answer to the given question."
     inputs = {
         "answer": {"type": "string", "description": "The final, correctly formatted answer string."},
     }
     output_type = "string"
 
     def forward(self, answer: str) -> str:
-        if answer is None:
-            return "NA"
+        if not answer or str(answer).strip() == "":
+            return "I am unable to answer"  # Fallback string for submission
 
-        answer = str(answer)
+        answer = str(answer).strip()
         match = re.search(r'boxed\{([^}]+)\}', answer)
         if match:
             answer = match.group(1)
-        answer = re.sub(r'[\$\{\}\\]', '', answer)              # Remove other LaTeX symbols
-        answer = re.sub(r'[^A-Za-z0-9,]', ' ', answer)         # Keep letters, digits, commas
+        # Remove LaTeX symbols and keep letters, digits, commas
+        answer = re.sub(r'[\$\{\}\\]', '', answer)
+        answer = re.sub(r'[^A-Za-z0-9,]', ' ', answer)
+        answer = " ".join(answer.split())  # Remove extra spaces
+
         if not answer:
-            return "NA"
-        final_answer = f"{str(answer)}"
-        return final_answer
+            return "I am unable to answer"
+
+        return answer