Update app.py

app.py

@@ -20,7 +20,7 @@ def deuncase(model, tokenizer, text):
         return tokenizer.batch_decode(generated_tokens, skip_special_tokens=True)
 
 def spaces():
-    ta.value= "About"
+    st.ta.value= "About"
     return None
 
 st.title("DeUnCaser")