MOD: fix typos

app.py

@@ -1,9 +1,9 @@
 import streamlit as st
 from transformers import pipeline
 
-pip = pipeline('sentiment-analysis')
+pipe = pipeline('sentiment-analysis')
 text = st.text_area('enter some text!')
 
 if text:
-    out = pipeline(text)
+    out = pipe(text)
     st.json(out)