Update app.py

app.py

@@ -94,8 +94,7 @@ def extract_all_pages(file_path: str, progress_callback=None) -> str:
         return f"PDF processing error: {str(e)}"
 
 async def convert_file_to_json(file_path: str, file_type: str, progress_callback=None) -> str:
-    try.:
-
+    try:
         cache_key = f"{os.path.basename(file_path)}_{file_type}"
         if cache_key in cache:
             return cache[cache_key]