[IMP] upload mail_fix_empty_body

__init__.py

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+import models

__openerp__.py

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+{
+    'name' : 'Fix "False" in empty email',
+    'version' : '1.0.0',
+    'author' : 'Ivan Yelizariev',
+    'category' : 'Sale',
+    'website' : 'https://it-projects.info',
+    'description': """
+
+Tested on Odoo 8.0 ab7b5d7732a7c222a0aea45bd173742acd47242d
+    """,
+    'depends' : ['mail'],
+    'data':[
+        ],
+    'installable': True
+}

models.py

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+from openerp import api, models, fields, SUPERUSER_ID
+
+class mail_compose_message(models.TransientModel):
+    _inherit = 'mail.compose.message'
+
+    def get_mail_values(self, cr, uid, wizard, res_ids, context=None):
+        res = super(mail_compose_message, self).get_mail_values(cr, uid, wizard, res_ids, context)
+        for id, d in res.iteritems():
+            d['body'] = d.get('body') or ''
+        return res