[oe] [meta-python][PATCHv3 0/3] Tornado 4.3 is missing python2 RDEPENDS

[S. Lockwood-Childs]

Tornado 4.3 needs a couple more backport modules to prevent tornado/gen.py
from bombing on import errors when running on python2 rather than python3.4

  ImportError: No module named singledispatch

  ImportError: No module named backports_abc

S. Lockwood-Childs (3):
  python-backports-abc: initial recipe for version 0.4
  python-singledispatch: initial recipe for version 3.4.0.3
  python-tornado: add missing python2 runtime deps

 .../python/python-backports-abc_0.4.bb                 | 18 ++++++++++++++++++
 .../python/python-singledispatch_3.4.0.3.bb            | 13 +++++++++++++
 .../recipes-devtools/python/python-tornado_4.3.bb      |  2 +-
 3 files changed, 32 insertions(+), 1 deletion(-)
 create mode 100644 meta-python/recipes-devtools/python/python-backports-abc_0.4.bb
 create mode 100644 meta-python/recipes-devtools/python/python-singledispatch_3.4.0.3.bb

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1.9.1