Update app.py

app.py

@@ -3,7 +3,7 @@ import tempfile
 from typing import List
 import gradio as gr
 from PyPDF2 import PdfReader, PdfWriter
-import pikepdf
+import pikepdf 
 
 # Load custom CSS
 with open(os.path.join(os.path.dirname(__file__), "fancy.css")) as f:
@@ -125,4 +125,4 @@ with gr.Blocks(css=custom_css) as demo:
             btn_c.click(do_compress, [comp_file,method,quality], [out_c,err_c,err_c])
 
 if __name__ == "__main__":
-    demo.launch(server_name="0.0.0.0", port=int(os.environ.get("PORT",7860)))
+    demo.launch(server_name="0.0.0.0", server_port=int(os.environ.get("PORT",7860)))