app.py

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')
        
    
    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=input, outputs=output)

iface.launch(debug=True)