Fix mocking with tempfile as body (e.g. mocking with VCR)
Fix mocking with tempfile as body (e.g. mocking with VCR)

TheNeatCompany/excon,excon/excon,liftforward/excon,mahemoff/excon,hammerdr/excon,ilackarms/excon,wadetandy/excon,cloudfoundry-incubator/excon