minor fix

booking.py

@@ -685,11 +685,11 @@ class BookingLine(ModelSQL, ModelView):
             'occupied_room': ('The room is occupied in the date %s'),
             'restring_room': ('The room %s is in restring access for quarantine protocolo!'),
         })
-        cls._buttons.update({
-            'create_guest': {
-                
-            },
-        )
+        # cls._buttons.update({
+        #     'create_guest': {
+        #
+        #     }
+        # )
 
     @classmethod
     def write(cls, *args):

operation.py

@@ -85,7 +85,7 @@ class Operation(Workflow, ModelSQL, ModelView):
         states=STATES_OP)
     accommodation = fields.Many2One('product.product', 'Accommodation Product',
         domain=[('kind', '=', 'accommodation')], states=STATES_OP)
-    start_date = fields.Date('Arrival Date', states=STATES_OP, required=True, readonly=True)
+    start_date = fields.Date('Arrival Date', states=STATES_OP)
     end_date = fields.Date('Departure Date', states=STATES_OP)
     description = fields.Char('Description', states=STATES_OP)
     state = fields.Selection(OPERATION_STATES, 'State', readonly=True)