message: All -devel published images are now Python 3
  See https://groups.google.com/a/tensorflow.org/forum/?#!topic/developers/5ZZG7M5E6FQ for details.
diff: @@ -70,11 +70,10 @@ slice_sets:
  args:
  - USE_PYTHON_3_NOT_2=1
  - # TODO(angerson): On February 3, stop publishing Python 2 devel containers
  py-devel:
  - add_to_name: ""
  args:
  - - USE_PYTHON_3_NOT_2=
  + - USE_PYTHON_3_NOT_2=1
  - add_to_name: "-py3"
  args:
  - USE_PYTHON_3_NOT_2=1
  