[IMP] Add uninstall_hook

stock_request_submit/__init__.py

@@ -1 +1,2 @@
 from . import models
+from .uninstall_hook import uninstall_hook

stock_request_submit/__manifest__.py

@@ -17,4 +17,5 @@
         'views/stock_request_views.xml',
     ],
     "installable": True,
+    'uninstall_hook': 'uninstall_hook',
 }

stock_request_submit/uninstall_hook.py

@@ -0,0 +1,11 @@
+# Copyright 2019 Eficent Business and IT Consulting Services, S.L.
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+from odoo import api, SUPERUSER_ID
+
+
+def uninstall_hook(cr, registry):
+    env = api.Environment(cr, SUPERUSER_ID, {})
+    sr = env['stock.request'].search([('state', '=', 'submitted')])
+    sr.write({'state': 'draft'})
+    sro = env['stock.request.order'].search([('state', '=', 'submitted')])
+    sro.write({'state': 'draft'})