Optimize tostringlist by taking the stream class outside the function. It's now 2x faster on short calls. Related to #1767933
Optimize tostringlist by taking the stream class outside the function. It's now 2x faster on short calls. Related to #1767933

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