Working Example

app/routes.py

@@ -1,10 +1,19 @@
-from flask import render_template, flash, redirect, url_for
+from flask import flash, redirect, render_template, url_for
+from flask_login import current_user, login_required, login_user, logout_user
+
 from app import app
 from app.forms import LoginForm
-from flask_login import current_user, login_user, login_required
 from app.models import User
 
 
+@app.route("/")
+@app.route("/index")
+@login_required
+def index():
+    user = {"username": "Miguel"}
+    return render_template("index.html", title="Home", user=user)
+
+
 @app.route("/login", methods=["GET", "POST"])
 def login():
     if current_user.is_authenticated:
@@ -20,13 +29,7 @@ def login():
     return render_template("login.html", title="Sign In", form=form)
 
 
-@app.route("/")
-@app.route("/index")
-@login_required
-def index():
-    user = {"username": "Miguel"}
-    posts = [
-        {"author": {"username": "John"}, "body": "Beautiful day in Portland!"},
-        {"author": {"username": "Susan"}, "body": "The Avengers movie was so cool!"},
-    ]
-    return render_template("index.html", title="Home", user=user, posts=posts)
+@app.route("/logout")
+def logout():
+    logout_user()
+    return redirect(url_for("index"))