Update app.py

app.py

@@ -31,6 +31,10 @@ class LoginForm(FlaskForm):
     password = PasswordField("Password", validators=[DataRequired()])
     submit = SubmitField("Login")
 
+@app.route("/")
+def index():
+    return redirect(url_for("login"))
+
 @app.route("/signup", methods=["GET", "POST"])
 def signup():
     form = SignupForm()