FakeSockFile: `'super' object has no attribute 'flush'`

[gabrielfalcao]

Tasks

• investigate the following log msg:

DEBUG httpretty.core error closing file <httpretty.core.FakeSockFile object at 0x105b468a8>: 'super' object has no attribute 'flush'

[facundoolano]

I'm seeing this error a lot in my test logs, I suppose the super.flush is a leftover from when FakeSockFile inherited from StringIO.