add error manazge parse chaine

backend/Jsonfile.py

@@ -44,6 +44,7 @@ class JSONfile:
         self.data=liste_chaine
         with open(self.datafilepath, 'w', encoding='utf-8') as f:
             json.dump(liste_chaine, f, indent=4)
+        return "ok"
     def __repr__(self):
         return str(self.data)
 

backend/run.py

@@ -19,8 +19,11 @@ def get_chaine(num):
 
 @app.route('/api/v1/chaine/', methods=['put'])
 def update_list():
-        data.parsechaine()
+        status="data.parsechaine()"
+        if(status=='ok'):
             return jsonify("OK")
+        else:
+            return make_response('Error during Chaine Update',500)
 
 @app.route('/api/v1/chaine/<num>/emission', methods=['GET'])
 def get_emmission(num):