[REF] training: cleanup code formatting for better readability

This commit refactors the Python and XML files in the estate module to improve code consistency and readability:

- Removed trailing whitespaces
- Added or adjusted blank lines between class members and field declarations
- Ensured consistent indentation and spacing in XML views
- Aligned attribute formatting across field definitions and XML nodes

Author: jcha-odoo

estate/__init__.py

@@ -1 +1 @@
-from . import models
+from . import models

estate/__manifest__.py

@@ -20,7 +20,7 @@
     'data': [
         'security/ir.model.access.csv',
         'views/estate_menus.xml',
-        'views/estate_property_views.xml' 
+        'views/estate_property_views.xml'
     ],
     'installable': True,
     'application': True

estate/models/__init__.py

@@ -1 +1 @@
-from . import estate_property
+from . import estate_property

estate/models/estate_property.py

@@ -2,6 +2,7 @@
 from datetime import date
 from dateutil.relativedelta import relativedelta
 
+
 class EstateProperty(models.Model):
     _name = 'estate.property'
     _description = 'Estate Property'