add missing colon

app.py

@@ -149,7 +149,7 @@ model = torch.load('complete-model.pt')
 
 # inference
 slider_value = st.slider('Amount of text to generate', min_value=100, max_value=2000, value=500, step=5)
-if st.button('Generat text')
+if st.button('Generat text'):
     context = torch.zeros((1, 1), dtype=torch.long, device='cuda')
     text = model.generate(context, max_new_tokens=slider_value)[0].tolist()
     st.json(decode(text))