Update backend/main.py

backend/main.py

@@ -99,7 +99,7 @@ async def upload_file(file: UploadFile = File(...)):
     with tempfile.NamedTemporaryFile(delete=False, suffix=suffix) as temp_file:
         # Copy the uploaded file content to the temporary file
         content = await file.read()
-        print(f"File read complete. Size: {len(contents)} bytes")
+        print(f"File read complete. Size: {len(content)} bytes")
         with open(temp_file.name, "wb") as f:
             f.write(content)