#1344: document that you need to open std{in,out,err} with PIPE if you want communicate() to work as described.
#1344: document that you need to open std{in,out,err} with PIPE if you want
communicate() to work as described.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator