- Merge pull request #9818 from mapellidario/py2py3-wmconfigcache
  - [py2py3] WMCore.Cache - compatible with both python2 and python3
  - Merge pull request #9875 from amaltaro/fix-9762
  - remove unneeded ImportError for py2/py3
  - Merge pull request #9762 from mapellidario/py2py3-stdlib
  - [py2py3] update stdlib - not pickle - test
  - [py2py3] update stdlib - not pickle
  - Merge pull request #9871 from amaltaro/fix-9794
  - PY3: Properly deal with strings in REST/Main