diff --git a/france/france_rsvp/static/css/custom.css b/france/france_rsvp/static/css/custom.css
index 53daad7..d82336d 100644
--- a/france/france_rsvp/static/css/custom.css
+++ b/france/france_rsvp/static/css/custom.css
@@ -1,33 +1,33 @@
 /* timeline from https://mdbootstrap.com/docs/standard/extended/timeline/ */
 
 .timeline-with-icons {
-      border-left: 3px solid hsl(0, 0%, 90%);
-      position: relative;
-      list-style: none;
-      margin-top:1.3rem;
+  border-left: 3px solid hsl(0, 0%, 90%);
+  position: relative;
+  list-style: none;
+  margin-top:1.3rem;
 }
 
 .timeline-with-icons .timeline-item {
-      position: relative;
+  position: relative;
 }
 
 .timeline-with-icons .timeline-item:after {
-      position: absolute;
-      display: block;
-      top: 0;
+  position: absolute;
+  display: block;
+  top: 0;
 }
 
 .timeline-with-icons .timeline-icon {
-      position: absolute;
-      left: -48px;
-      background-color: hsl(217, 88.2%, 90%);
-      color: hsl(217, 88.8%, 35.1%);
-      border-radius: 60%;
-      height: 38px;
-      width: 38px;
-      display: flex;
-      align-items: center;
-      justify-content: center;
+  position: absolute;
+  left: -48px;
+  background-color: hsl(217, 88.2%, 90%);
+  color: hsl(217, 88.8%, 35.1%);
+  border-radius: 60%;
+  height: 38px;
+  width: 38px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
 }
 
 body {
@@ -37,7 +37,7 @@ body {
   background-repeat: no-repeat;
   background-size: cover;
 }
-  
+
 body > nav > div {
   font-size:1.5rem;
 }
diff --git a/france/france_rsvp/templates/form.html b/france/france_rsvp/templates/form.html
index c58976d..52fad7f 100644
--- a/france/france_rsvp/templates/form.html
+++ b/france/france_rsvp/templates/form.html
@@ -3,34 +3,34 @@
 
 {% block navitems %}
 <li class="nav-item">
-  <a class="nav-link" href="{{url_for('index')}}">Info</a>
+  <a class="nav-link" href="{{ url_for('index') }}">Info</a>
 </li>
 
 <li class="nav-item">
-  <a class="nav-link active" href="{{url_for('form')}}">RSVP <span class="visually-hidden">(current)</span></a>
+  <a class="nav-link active" href="{{ url_for('form') }}">RSVP <span class="visually-hidden">(current)</span></a>
 </li>
 {% endblock %}
 
 {% block content %}
-      
-      {% if error %}
-        <p class="error text-danger">{{ error }}</p>
-      {% endif %}
-      
-      <form action="{{ url_for('form') }}" method="POST">
-      
-        <div class="row g-3 align-items-center">
-          <div class="col-auto">
-            <label for="code" class="col-form-label text-dark">Code sur l'invitation:</label>
-          </div>
-        
-          <div class="col-auto">
-            <input type="text" name="code" id="code" class="form-control" placeholder="ABCD">
-          </div>
-        </div>
-      
-        <button type="submit" value="RSVP" class="btn btn-primary btn-lg mt-3">RSVP</button>
 
-      </form>
-    
+  {% if error %}
+    <p class="error text-danger">{{ error }}</p>
+  {% endif %}
+
+  <form action="{{ url_for('form') }}" method="POST">
+
+    <div class="row g-3 align-items-center">
+      <div class="col-auto">
+        <label for="code" class="col-form-label text-dark">Code sur l'invitation:</label>
+      </div>
+
+      <div class="col-auto">
+        <input type="text" name="code" id="code" class="form-control" placeholder="ABCD">
+      </div>
+    </div>
+
+    <button type="submit" value="RSVP" class="btn btn-primary btn-lg mt-3">RSVP</button>
+
+  </form>
+
 {% endblock %}
diff --git a/france/france_rsvp/templates/index.html b/france/france_rsvp/templates/index.html
index 3272a08..841ff07 100644
--- a/france/france_rsvp/templates/index.html
+++ b/france/france_rsvp/templates/index.html
@@ -6,17 +6,17 @@
 </li>
 
 <li class="nav-item">
- <a class="nav-link" href="{{url_for('form')}}">RSVP</a>
+  <a class="nav-link" href="{{ url_for('form') }}">RSVP</a>
 </li>
 {% endblock %}
 
 {% block content %}
-    
-<h1>Rémi &amp; Vicky are renewing their vows! </h1>    
+
+<h1>Rémi &amp; Vicky are renewing their vows! </h1>
 
 <p class="text-dark">Rémi &amp; Vicky were married in a small ceremony in Janaury 30, 2021. Exactly 1.5 years later, we can finally make it to France to renew our vows and celebrate with everyone! We hope to see you there.</p>
 
-<a class="btn btn-primary btn-lg mb-3" href="{{url_for('form')}}" role="button">RSVP <i class="bi bi-heart-arrow"></i></a>
+<a class="btn btn-primary btn-lg mb-3" href="{{ url_for('form') }}" role="button">RSVP <i class="bi bi-heart-arrow"></i></a>
 
 <h4><i class="bi bi-geo-alt"></i> La Chapelle-Taillefert</h4>
 <h4><i class="bi bi-calendar-heart"></i> 30 Julliet 2022</h4>
@@ -26,67 +26,67 @@
     <div class="col offset-sm-1 align-self-end">
       <ul class="timeline-with-icons">
 
-    <li class="timeline-item mb-5">
-      <span class="timeline-icon">
-        <i class="bi bi-house-heart"></i>
-      </span>
+        <li class="timeline-item mb-5">
+          <span class="timeline-icon">
+            <i class="bi bi-house-heart"></i>
+          </span>
 
-      <h4 class="fw-bold">Cérémonie mairie</h4>
-      <p class="mb-2 fw-bold">11h</p>
-      <p class="text-muted mb-2 fw-bold">La Mairie de La Chapelle-Taillefert</p>
-    </li>
-    
-    <li class="timeline-item mb-5">
-      <span class="timeline-icon">
-        <i class="bi bi-person-hearts"></i>
-      </span>
+          <h4 class="fw-bold">Cérémonie mairie</h4>
+          <p class="mb-2 fw-bold">11h</p>
+          <p class="text-muted mb-2 fw-bold">La Mairie de La Chapelle-Taillefert</p>
+        </li>
 
-      <h4 class="fw-bold">Vin d'honneur</h4>
-      <p class="mb-2 fw-bold">11h30</p>
-      <p class="text-muted mb-2 fw-bold">La venue</p>
-    </li>
-    
-    <li class="timeline-item mb-5">
-      <span class="timeline-icon">
-        <i class="bi bi-egg-fried"></i>
-      </span>
+        <li class="timeline-item mb-5">
+          <span class="timeline-icon">
+            <i class="bi bi-person-hearts"></i>
+          </span>
 
-      <h4 class="fw-bold">Repas</h4>
-      <p class="mb-2 fw-bold">12h30</p>
-      <p class="text-muted mb-2 fw-bold">La venue</p>
-    </li>
-    
-    <li class="timeline-item mb-5">
-      <span class="timeline-icon">
-       <i class="bi bi-dribbble"></i>
-      </span>
+          <h4 class="fw-bold">Vin d'honneur</h4>
+          <p class="mb-2 fw-bold">11h30</p>
+          <p class="text-muted mb-2 fw-bold">La venue</p>
+        </li>
 
-      <h4 class="fw-bold">Décontraction et pétanque</h4>
-      <p class="mb-2 fw-bold">16h00</p>
-      <p class="text-muted mb-2 fw-bold">La venue. Bring your own boules de pétanque !</p>
-    </li>
-    
-    <li class="timeline-item mb-5">
-      <span class="timeline-icon">
-        <i class="bi bi-balloon-heart"></i>
-      </span>
+        <li class="timeline-item mb-5">
+          <span class="timeline-icon">
+            <i class="bi bi-egg-fried"></i>
+          </span>
 
-      <h4 class="fw-bold">Apéro et BBQ</h4>
-      <p class="mb-2 fw-bold">19h30</p>
-      <p class="text-muted mb-2 fw-bold">La venue</p>
-    </li>
-    
-    <li class="timeline-item mb-5">
-      <span class="timeline-icon">
-        <i class="bi bi-speaker"></i>
-      </span>
+          <h4 class="fw-bold">Repas</h4>
+          <p class="mb-2 fw-bold">12h30</p>
+          <p class="text-muted mb-2 fw-bold">La venue</p>
+        </li>
 
-      <h4 class="fw-bold">Karaoké et musique et danse</h4>
-      <p class="mb-2 fw-bold">21h30</p>
-      <p class="text-muted mb-2 fw-bold">La venue</p>
-    </li>
-    
-  </ul>
+        <li class="timeline-item mb-5">
+          <span class="timeline-icon">
+            <i class="bi bi-dribbble"></i>
+          </span>
+
+          <h4 class="fw-bold">Décontraction et pétanque</h4>
+          <p class="mb-2 fw-bold">16h00</p>
+          <p class="text-muted mb-2 fw-bold">La venue. Bring your own boules de pétanque !</p>
+        </li>
+
+        <li class="timeline-item mb-5">
+          <span class="timeline-icon">
+            <i class="bi bi-balloon-heart"></i>
+          </span>
+
+          <h4 class="fw-bold">Apéro et BBQ</h4>
+          <p class="mb-2 fw-bold">19h30</p>
+          <p class="text-muted mb-2 fw-bold">La venue</p>
+        </li>
+
+        <li class="timeline-item mb-5">
+          <span class="timeline-icon">
+            <i class="bi bi-speaker"></i>
+          </span>
+
+          <h4 class="fw-bold">Karaoké et musique et danse</h4>
+          <p class="mb-2 fw-bold">21h30</p>
+          <p class="text-muted mb-2 fw-bold">La venue</p>
+        </li>
+
+      </ul>
     </div>
   </div>
 </div>
diff --git a/france/france_rsvp/templates/layout.html b/france/france_rsvp/templates/layout.html
index bc487fb..8578386 100644
--- a/france/france_rsvp/templates/layout.html
+++ b/france/france_rsvp/templates/layout.html
@@ -10,9 +10,9 @@
     <title>{% block title %}{% endblock %} Rémi &amp; Vicky</title>
     {% endblock %}
   </head>
-  
+
   <body>
-  
+
   <nav class="navbar navbar-expand-lg navbar-dark bg-primary">
     <div class="container">
       <span class="navbar-text pe-3">Rémi &amp; Vicky</span>
@@ -24,15 +24,15 @@
       </div>
     </div>
   </nav>
-    
+
     <div id="content" class="container mt-2">
       {% block content %}{% endblock %}
     </div>
-    
+
     <div id="footer" class="mt-3">
       <div class="text-center container mb-2 text-dark">If you encounter any problems, email Rémi at <a href="mailto:remi@rampin.org">remi@rampin.org</a></div>
     </div>
-    
+
     <script src="{{ url_for('static', filename='/js/bootstrap.bundle.js') }}"></script>
   </body>
 </html>
diff --git a/france/france_rsvp/templates/rsvp.html b/france/france_rsvp/templates/rsvp.html
index f5b91e3..c6df9d6 100644
--- a/france/france_rsvp/templates/rsvp.html
+++ b/france/france_rsvp/templates/rsvp.html
@@ -2,9 +2,9 @@
 {% block title %}RSVP -{% endblock %}
 
 {% block navitems %}
-      <li class="nav-item">
-        <a class="nav-link" href="{{url_for('index')}}">Info</a>
-      </li>
+  <li class="nav-item">
+    <a class="nav-link" href="{{ url_for('index') }}">Info</a>
+  </li>
 {% endblock %}
 
 {% block content %}
@@ -12,20 +12,24 @@
 {% if error %}
   <p class="error">{{ error }}</p>
 {% endif %}
-    
+
 <form action="" method="POST">
-    
+
   <div class="row g-3 align-items-center">
     <div class="col-auto">
       <label for="adults" class="col-form-label text-dark">Adultes :</label>
     </div>
     <div class="col-auto">
-      <input type="number" class="form-control" name="adults" id="adults" min="1" max="5"
-          {% if adults is not none %}
-            value="{{ adults }}"
-          {% else %}
-            value="1"
-          {% endif %}>
+      <input
+        type="number" class="form-control"
+        name="adults" id="adults"
+        min="1" max="5"
+        {% if adults is not none %}
+          value="{{ adults }}"
+        {% else %}
+          value="1"
+        {% endif %}
+      />
     </div>
   </div>
   <div class="row g-3 align-items-center">
@@ -33,17 +37,21 @@
       <label for="children" class="col-form-label text-dark">Enfants :</label>
     </div>
     <div class="col-auto">
-      <input type="number" class="form-control" name="children" id="children" min="0" max="5"
-          {% if children is not none %}
-            value="{{ children }}"
-          {% else %}
-            value="0"
-          {% endif %}>
+      <input
+        type="number" class="form-control"
+        name="children" id="children"
+        min="0" max="5"
+        {% if children is not none %}
+          value="{{ children }}"
+        {% else %}
+          value="0"
+        {% endif %}
+      />
     </div>
   </div>
-    
+
   <button type="submit" value="RSVP" class="btn btn-lg btn-primary mt-3">RSVP</button>
 
 </form>
-  
+
 {% endblock %}
diff --git a/france/france_rsvp/templates/thanks.html b/france/france_rsvp/templates/thanks.html
index 121e57d..8743680 100644
--- a/france/france_rsvp/templates/thanks.html
+++ b/france/france_rsvp/templates/thanks.html
@@ -1,15 +1,15 @@
 {% extends "layout.html" %}
 {% block title %}MERCI -{% endblock %}
 {% block navitems %}
-      <li class="nav-item">
-        <a class="nav-link" href="{{url_for('index')}}">Info</a>
-      </li>
+  <li class="nav-item">
+    <a class="nav-link" href="{{ url_for('index') }}">Info</a>
+  </li>
 {% endblock %}
 
 {% block content %}
 
 <h1>Merci !</h1>
 
-<p class="text-dark">We are looking forward to seeing you there. The itinerary and addresses are on the <a href="{{url_for('index')}}">info page</a>.</p>
+<p class="text-dark">We are looking forward to seeing you there. The itinerary and addresses are on the <a href="{{ url_for('index') }}">info page</a>.</p>
 
 {% endblock %}
diff --git a/france/france_rsvp/web.py b/france/france_rsvp/web.py
index 485f259..77e8050 100644
--- a/france/france_rsvp/web.py
+++ b/france/france_rsvp/web.py
@@ -9,10 +9,12 @@ logger = logging.getLogger(__name__)
 
 app = Flask('france_rsvp')
 
+
 @app.route('/france/')
 def index():
     return render_template('index.html')
 
+
 @app.route('/france/rsvp', methods=['GET', 'POST'])
 def form():
     error = None