input error

app.py

@@ -3,6 +3,7 @@ from pptx import Presentation
 from fpdf import FPDF
 import tempfile
 import os
+from PIL import Image
 
 def pptx_to_pdf(pptx_file):
     # Create a temporary directory to store intermediate images
@@ -30,8 +31,8 @@ def pptx_to_pdf(pptx_file):
 # Create a Gradio interface
 iface = gr.Interface(
     fn=pptx_to_pdf,
-    inputs=gr.inputs.File(file_types=[".pptx"]),
-    outputs=gr.outputs.File(file_types=[".pdf"]),
+    inputs=gr.File(file_types=[".pptx"]),
+    outputs=gr.File(file_types=[".pdf"]),
     title="PPTX to PDF Converter",
     description="Upload a PowerPoint file to convert it to a PDF without watermarks."
 )