Update app.py

app.py

@@ -246,7 +246,7 @@ def generate_qr(json_data):
         return qr_path
     return None
 
-def create_iface():
+def create_interface():
     css = """
     .container { max-width: 1200px; margin: auto; }
     .warning { background-color: #fff3cd; color: #856404; }
@@ -348,8 +348,8 @@ def create_iface():
 
 def main():
     mimetypes.init()
-    interface = create_iface()
-    iface.launch(
+    interface = create_interface()
+    interface.launch(
         server_name="0.0.0.0",
         server_port=7860,
         show_error=True,