Fix translation

app.py

@@ -22,18 +22,14 @@ app.config['SQLALCHEMY_DATABASE_URI'] = database_uri
 app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
 
 app.config['BABEL_DEFAULT_LOCALE'] = 'en'
-
+app.config['BABEL_TRANSLATION_DIRECTORIES'] = "./language/translations"
 babel = Babel(app)
 
 db.init_app(app)
 
 @babel.localeselector
 def get_locale():
-    # if a user is logged in, use the locale from the user settings
-    user = getattr(g, 'user', None)
-    if user is not None:
-        return user.locale
-    elif session['lang']:
+    if not session.get('lang') is None:
         return session['lang']
     # otherwise try to guess the language from the user accept
     # header the browser transmits.  We support fr/en in this