Update app.py

use r1 and support py files

app.py

@@ -42,7 +42,7 @@ def read_file_tool(file_name: str) -> str:
     download_file(file_name)
     file_type = file_name.split(".")[-1]
     try:
-        if file_type == "txt":
+        if file_type in {"txt", "py"}:
             with open(file_name, "r", encoding="utf-8") as f:
                 return f.read()
         elif file_type == "json":
@@ -87,7 +87,8 @@ def reverse_string_tool(text: str) -> str:
 
 # --- Agent ---
 # MODEL_ID = "Qwen/Qwen3-8B"
-MODEL_ID = "Qwen/Qwen3-235B-A22B-Thinking-2507"
+# MODEL_ID = "Qwen/Qwen3-235B-A22B-Thinking-2507"
+MODEL_ID = "deepseek-ai/DeepSeek-R1"
 PROVIDER = "auto"
 TOOLS = [read_file_tool, reverse_string_tool, search_tool, visit_webpage_tool, final_answer_tool]
 AUTORIZED_IMPORTS = ["pandas", "numpy", "datetime", "json", "re", "math", "os", "requests", "csv", "urllib"]
@@ -113,9 +114,9 @@ When given a question:
 - If you are asked for a string, don't use articles, nor abbreviations (e.g. for cities), and write the digits in plain text unless specified otherwise.
 - If you are asked for a comma separated list, apply the above rules depending of whether the element to be put in the list is a number or a string.
 - Only answer after you have gathered enough information by reading the actual page contents.
-- Once you have the final answer, you must call `final_answer("your_answer")` immediately after printing it.
-- Do not retry or execute anything else after calling `final_answer`.
-- `final_answer` must wrap the exact printed value.
+- Once you have the final answer, you must call `final_answer_tool("your_answer")` immediately after printing it.
+- Do not retry or execute anything else after calling `final_answer_tool`.
+- `final_answer_tool` must wrap the exact printed value.
 - Provide ONLY the precise answer requested. 
 - Do not include explanations, steps, reasoning, or additional text. 
 - Be direct and specific. GAIA benchmark requires exact matching answers.