use session state hub_token

utils.py

@@ -31,12 +31,9 @@ def project_sidebar():
     st.session_state["project_name"] = project_name
     st.session_state["hub_username"] = hub_username
     st.session_state["hub_token"] = st.sidebar.text_input(
-        "Hub Token", type="password", value=None
+        "Hub Token", type="password", value=os.environ.get("HF_TOKEN", None)
     )
-    if (
-        st.sidebar.checkbox("Save Hub Token")
-        and st.session_state["hub_token"] is not None
-    ):
+    if st.session_state["hub_token"] is not None:
         os.environ["HF_TOKEN"] = st.session_state["hub_token"]
     st.sidebar.link_button(
         "🤗 Get your Hub Token", "https://huggingface.co/settings/tokens"