diff --git a/app/routes.py b/app/routes.py
index 7c81258..b08da40 100644
--- a/app/routes.py
+++ b/app/routes.py
@@ -9,58 +9,60 @@ from app.models import User
 @app.route('/',  methods=['GET', 'POST'])
 def index():
 
-	form = LoginForm()
-	if form.validate_on_submit():
-		user = User.query.filter_by(username=form.username.data).first()
-		if user is None or not user.check_password(form.password.data):
-			flash('pseudo ou mot de passe invalide')
-			return redirect(url_for('index'))
-		login_user(user, remember=form.remember_me.data)
+    form = LoginForm()
+    if form.validate_on_submit():
+        user = User.query.filter_by(username=form.username.data).first()
+        if user is None or not user.check_password(form.password.data):
+            flash('pseudo ou mot de passe invalide')
+            return redirect(url_for('index'))
+        login_user(user, remember=form.remember_me.data)
 
-	return render_template('index.html.j2', form=form)
+    return render_template('index.html.j2', form=form)
 
 
 @app.route('/logout/')
 def logout():
-	logout_user()
-	return redirect(url_for('index'))
+    logout_user()
+    return redirect(url_for('index'))
 
 
 @app.route('/register', methods=['GET', 'POST'])
 def register():
-	if current_user.is_authenticated:
-		return redirect(url_for('index'))
-	form = LoginForm()
-	form2 = RegistrationForm()
-	if form.validate_on_submit():
-		user = User.query.filter_by(username=form.username.data).first()
-		if user is None or not user.check_password(form.password.data):
-			flash('pseudo ou mot de passe invalide')
-			return redirect(url_for('index'))
-		login_user(user, remember=form.remember_me.data)
-	if form2.validate_on_submit():
-		user = User(username=form2.username.data, email=form2.email.data)
-		user.set_password(form2.password.data)
-		db.session.add(user)
-		db.session.commit()
-		flash('Congratulations, you are now a registered user!')
-		return redirect(url_for('validation'))
-	return render_template('register.html.j2', title='Register', form=form, form2 = form2)
+    if current_user.is_authenticated:
+        return redirect(url_for('index'))
+    form = LoginForm()
+    form2 = RegistrationForm()
+    if form.validate_on_submit():
+        user = User.query.filter_by(username=form.username.data).first()
+        if user is None or not user.check_password(form.password.data):
+            flash('pseudo ou mot de passe invalide')
+            return redirect(url_for('index'))
+        login_user(user, remember=form.remember_me.data)
+    if form2.validate_on_submit():
+        user = User(username=form2.username.data, email=form2.email.data)
+        user.set_password(form2.password.data)
+        db.session.add(user)
+        db.session.commit()
+        flash('Congratulations, you are now a registered user!')
+        return redirect(url_for('validation'))
+    return render_template('register.html.j2', title='Register', form=form,
+                           form2=form2)
+
 
 @app.route('/register/validation/')
 def validation():
-	if current_user.is_authenticated :
-		return redirect(url_for('index'))
-	form = LoginForm()
-	if form.validate_on_submit():
-		user = User.query.filter_by(username=form.username.data).first()
-		if user is None or not user.check_password(form.password.data):
-			flash('pseudo ou mot de passe invalide')
-			return redirect(url_for('index'))
-		login_user(user, remember=form.remember_me.data)
-	return render_template('validation.html.j2', form = form)
+    if current_user.is_authenticated:
+        return redirect(url_for('index'))
+    form = LoginForm()
+    if form.validate_on_submit():
+        user = User.query.filter_by(username=form.username.data).first()
+        if user is None or not user.check_password(form.password.data):
+            flash('pseudo ou mot de passe invalide')
+            return redirect(url_for('index'))
+        login_user(user, remember=form.remember_me.data)
+    return render_template('validation.html.j2', form=form)
+
 
-@app.route('/error/<int:error>')
 @app.errorhandler(400)
 @app.errorhandler(401)
 @app.errorhandler(403)
@@ -69,15 +71,26 @@ def validation():
 @app.errorhandler(500)
 @app.errorhandler(501)
 @app.errorhandler(503)
+def ma_page_erreur(error):
+    form = LoginForm()
+    if form.validate_on_submit():
+        user = User.query.filter_by(username=form.username.data).first()
+        if user is None or not user.check_password(form.password.data):
+            flash('pseudo ou mot de passe invalide')
+            return redirect(url_for('index'))
+        login_user(user, remember=form.remember_me.data)
+    return render_template("base/errors.html.j2", error_code=error.code,
+                               form=form), error.code
+
+
+@app.route('/error/<int:error>')
 def errors(error):
-	form = LoginForm()
-	if form.validate_on_submit():
-		user = User.query.filter_by(username=form.username.data).first()
-		if user is None or not user.check_password(form.password.data):
-			flash('pseudo ou mot de passe invalide')
-			return redirect(url_for('index'))
-		login_user(user, remember=form.remember_me.data)
-	try:
-		return render_template("base/errors.html.j2", error_code = error, form=form), error
-	except:
-		return render_template("base/errors.html.j2", error_code = error.code, form=form), error.code
+    form = LoginForm()
+    if form.validate_on_submit():
+        user = User.query.filter_by(username=form.username.data).first()
+        if user is None or not user.check_password(form.password.data):
+            flash('pseudo ou mot de passe invalide')
+            return redirect(url_for('index'))
+        login_user(user, remember=form.remember_me.data)
+    return render_template("base/errors.html.j2", error_code=error,
+                               form=form), error