Update backend/main.py

backend/main.py

@@ -408,10 +408,10 @@ async def analyze(files: List[UploadFile] = File(...)):
 
         # Extract each paper
         for path, name in zip(tmp_paths, paper_names):
-        try:
+         try:
             result = extract_protocol(client, path, name)
             extracted.append(result)
-        except Exception as e:
+         except Exception as e:
             raise HTTPException(
                 status_code=500,
                 detail=f"Failed to process {name}: {str(e)}"