[FIX] estate: style fix

Author: tskv

estate/__manifest__.py

@@ -21,4 +21,4 @@
     'installable': True,
     'application': True,
     'license': 'LGPL-3',
-}
+}

estate_account/__manifest__.py

@@ -2,7 +2,7 @@
 {
     'name': "Real Estate Invoicing",
     'version': '1.0',
-    'depends': ['estate','account'],
+    'depends': ['estate', 'account'],
     'author': "taskv",
     'category': 'Tutorials',
     'description': """

estate_account/models/estate_property.py

@@ -1,6 +1,6 @@
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
 
-from odoo import fields, models, api, exceptions, Command
+from odoo import models, Command
 
 
 class EstateProperty(models.Model):