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Changes between Version 2 and Version 4 of Ticket #26495

Ticket #26495
- Property Summary Storage save method wraps StringIO in File object which is identified as False. → Saving StringIO using custom storage class may result in empty content written to file

-              v2
+              v4
             content = File(content)
 }}}
 For example if custom storage uses requests with post query.
+For example if custom storage uses requests with post query and we are saving StringIO object.
 {{{
 #!python
+from StringIO import StringIO
+from django.core.files.storage import Storage
 import requests
+class CustomStorage(object):
+class CustomStorage(Storage):
     def _save(self, name, content, max_length=None):
           requests.post('http://testhost.org/upload', data=content)
+custom_storage = CustomStorage()
+custom_storage.save('new_name', StringIO('content'))
 }}}
 But it will result in empty upload as bool(content) is False.