Update app.py

app.py

@@ -30,11 +30,9 @@ st.sidebar.image(
     "https://github.com/gizdatalab/policy_tracing/blob/main/img/sdsn.png?raw=true",
     use_column_width=True
 )
-
-st.sidebar.container(
+with st.sidebar:
     file = st.file_uploader('Upload PDF File', type=['pdf'])
-    )
- 
+
 st.sidebar.title(
     "Options:"
 )