added a global unhandled error when ask_llm failed

excel_chat.py

@@ -223,7 +223,12 @@ def chat_with_mistral(source_cols, dest_col, prompt, excel_file, url, search_col
     for index, row in filtred_df.iterrows():
         concatenated_content = "\n\n".join(f"{column_name}: {str(row[column_name])}" for column_name in source_cols)
         if not concatenated_content == "\n\n".join(f"{column_name}: nan" for column_name in source_cols):
-            llm_answer,gloabal_keys = ask_llm(prompt[0], concatenated_content, client, user, gloabal_keys)
+
+            try:
+                llm_answer,gloabal_keys = ask_llm(prompt[0], concatenated_content, client, user, gloabal_keys)
+            except error:
+                llm_answer = "unhandled global error"
+            
             print(f"{cpt}/{len(filtred_df)}\nQUERY:\n{prompt[0]}\nCONTENT:\n{concatenated_content[:200]}...\n\nANSWER:\n{llm_answer}")
             df.at[index, dest_col] = llm_answer
             cpt += 1