Update app.py

app.py

@@ -1,21 +1,21 @@
 import gradio as gr
 import io
 from bertopic import BERTopic
-
+input = gr.File(label="Input Text File")
+output = gr.Textbox(label="Detected Topics")
+topic_model = BERTopic()
 def detect_topics(file):
     if file is not None:
         text = file.read()
         text = text.decode('utf-8')
         
-    topic_model = BERTopic()
+    
     topics, probs = topic_model.fit_transform(texts)
     df_topic = topic_model.get_topic_info()
     #df_topic.to_csv('topics.csv')
     return (topic_model.visualize_topics())
 
 #UI file
-iface = gr.Interface(fn=detect_topics, 
-                     inputs=gr.inputs.File(label="Upload File"), 
-                     outputs="text")
+iface = gr.Interface(fn=detect_topics, inputs=input, outputs=output)
 
 iface.launch(debug=True)