diff --git a/zndraw/app.py b/zndraw/app.py
index da1df5f85..477e18cc4 100644
--- a/zndraw/app.py
+++ b/zndraw/app.py
@@ -2,7 +2,7 @@
 import multiprocessing as mp
 import uuid
 
-from flask import Flask, render_template, request, session, redirect
+from flask import Flask, redirect, render_template, request, session
 from flask_socketio import SocketIO, emit, join_room
 
 from zndraw.data import atoms_from_json
@@ -50,11 +50,13 @@ def index():
         uuid=session["uuid"],
     )
 
+
 @app.route("/token/<token>")
 def token(token):
     session["uuid"] = token
     return redirect("/")
-    
+
+
 @io.on("join")
 def on_join(data):
     """Join a room."""
diff --git a/zndraw/templates/index.html b/zndraw/templates/index.html
index 57aa96b74..86b477cb7 100644
--- a/zndraw/templates/index.html
+++ b/zndraw/templates/index.html
@@ -510,7 +510,7 @@ <h3>Share Link</h3>
               const url = window.location.href.replace(/\/$/, "");
               const target_href = "{{ url_for('token', token=uuid) }}";
               const full_url = url + target_href;
-              
+
               document.getElementById("share-link-block").innerHTML = full_url;
 
               document.getElementById("btnShareLink").onclick = function(event) {