Fix radio issue

app.py

@@ -10,7 +10,7 @@ AUTO = Autocards()
 
 def cardify(content, mode):
     global AUTO
-    
+
     AUTO.clear_qa()
     if mode != "raw" and mode != "url":
         r = requests.get(content)
@@ -47,7 +47,7 @@ def cardify(content, mode):
 
 iface = gr.Interface(
     fn=cardify,
-    inputs=["text", gr.Radio(["pdf", "epub", "raw", "textfile", "url"])],
+    inputs=["text", gr.inputs.Radio(["raw", "epub", "pdf", "textfile", "url"])],
     outputs="text"
 )
 iface.launch()