[FIX] attachment modules: remove base64 encoding when reading files from storage

attachment_s3/models/ir_attachment.py

@@ -2,7 +2,6 @@
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html)
 
 
-import base64
 import logging
 import os
 import io
@@ -125,7 +124,7 @@ class IrAttachment(models.Model):
                 with io.BytesIO() as res:
                     bucket.download_fileobj(key, res)
                     res.seek(0)
-                    read = base64.b64encode(res.read())
+                    read = res.read()
             except ClientError:
                 read = ''
                 _logger.info(