Update app.py

app.py

@@ -80,12 +80,12 @@ def process_file(file):
     finally:
         if os.path.exists(temp_input.name):
             os.unlink(temp_input.name)
-
+            
 def gradio_interface():
     interface = gr.Interface(
         fn=process_file,
         inputs=gr.File(label="Upload PDF File", file_types=[".pdf"], type="binary"),
-        outputs=gr.Textbox(label="Output", lines=20),
+        outputs=gr.Textbox(label="Output", lines=20, type="text"),  # <- FIX HERE
         title="PDF Caption Grader",
         description="Detects misplacement of captions in figures and tables in PDF files."
     )