Update app.py

app.py

@@ -4,10 +4,10 @@ import Evaluate2
 import re
 
 def load_cpp_file(file):
-    text = file.name
-    if file is None:
-        return ""
     try:
+        text = file.name
+        if file is None:
+            return ""
         with open(text, 'r', encoding='utf-8') as f:
             content = f.read()
         return content
@@ -38,8 +38,8 @@ with gr.Blocks() as web:
             cpp_file = gr.File(label="Upload C++ File (.cpp)", file_types=[".cpp"])
             method_choice = gr.Radio(
                 choices=["No Format", "Format Code", "Combine"],
-                value=0,
-                label="Evaluation Method"
+                value="Combine",
+                label="Choose Model"
             )
             check_btn = gr.Button("Check")