Update app.py

app.py

@@ -1,19 +1,28 @@
 import gradio as gr
 import json
 
-# from transformers import pipeline
-# classifier = pipeline("zero-shot-classification", model="facebook/bart-large-mnli")
+from transformers import pipeline
+classifier = pipeline("zero-shot-classification", model="facebook/bart-large-mnli")
 
 def tagging(
-input: str,
-tags: tuple[str]
+    input: str,
+    tags: str,
+    multi_label: bool
 ):
-  text = json.loads(str)
+  try:
+      candidate_labels = json.loads(tags)
+      
+  except error:
+     raise gr.Error(f"Error {error}")
+
+  classifier(input, candidate_labels, multi_label)
+    
   return text
     
 app = gr.Interface(fn=tagging, inputs=[
-gr.Textbox(label="Your input here"),
-gr.Textbox(label="Your input here")
+    gr.Textbox(label="Your input here"),
+    gr.Textbox(label="Your input here"),
+    gr.Checkbox(label="multi_label", value=True)
 ], outputs="text")
 
 app.launch()