Fix section name

[Sairam90]

Proposed fix for #104

[blackary]

Would you mind making a couple of small tweaks?

I would add them to your PR myself, but I don't have permission to make changes, but this diff will make the if slightly more explicit, and also fixes a "incompatible type" issue:

diff --git a/src/st_pages/__init__.py b/src/st_pages/__init__.py
index f15b2d1..795019b 100644
--- a/src/st_pages/__init__.py
+++ b/src/st_pages/__init__.py
@@ -3,6 +3,7 @@ from __future__ import annotations
 import json
 from dataclasses import dataclass
 from pathlib import Path
+from typing import cast
 
 import streamlit as st
 import toml
@@ -75,10 +76,10 @@ def _get_nav_from_toml(
 
         for page in pages:
             if page.is_section:
-                if translate_icon(page.icon):
+                if page.icon is not None:
                     current_section = f"{translate_icon(page.icon)} {page.name}"
                 else:
-                    current_section = page.name
+                    current_section = cast(str, page.name)
                 if page.name in st.session_state[HIDE_PAGES_KEY]:
                     sections_to_drop.append(current_section)
                 continue

[Sairam90]

Just made the changes..Wasn't sure how to avoid the mypy test failure ,Thank you!

[blackary]

👍

[blackary]

Thanks!