Remove 'beta' from columns and expander

app.py

@@ -44,7 +44,7 @@ GITHUB_OWNER = "streamlit"
 
 # Show thumbnails for available themes.
 # As html img tags here, so we can add links on them.
-cols = st.beta_columns(len(THEMES))
+cols = st.columns(len(THEMES))
 for col, theme in zip(cols, THEMES):
 
     # Get repo name for this theme (to link to correct deployed app)-
@@ -72,11 +72,11 @@ for col, theme in zip(cols, THEMES):
 
 
 ""
-with st.beta_expander("Not loading?"):
+with st.expander("Not loading?"):
     st.write(
         "You probably played around with themes before and overrode this app's theme. Go to ☰ -> Settings -> Theme and select *Custom Theme*."
     )
-with st.beta_expander("How can I use this theme in my app?"):
+with st.expander("How can I use this theme in my app?"):
     st.write(EXPANDER_TEXT)
 
 ""
@@ -138,7 +138,7 @@ def draw_all(
     )
     # st.multiselect("Pick a number", [1, 2, 3], key=key)
     # st.color_picker("Colors, colors, colors", key=key)
-    with st.beta_expander("Expand me!"):
+    with st.expander("Expand me!"):
         st.write("Hey there! Nothing to see here 👀 ")
     st.write("")
     # st.write("That's our progress on theming:")