Replace factory struct with factory interface in pipe_factory

NewPipeFactory return value

1 files changed, 1 insertions, 1 deletions

diff --git a/pipe_factory.go b/pipe_factory.go
index e59055b4..a85606d2 100755
--- a/pipe_factory.go
+++ b/pipe_factory.go
@@ -17,7 +17,7 @@ type PipeFactory struct{}
 // listening
 
 // todo: review tests
-func NewPipeFactory() *PipeFactory {
+func NewPipeFactory() Factory {
 	return &PipeFactory{}
 }