Log Message:
py-py: updated to 1.5.2

1.5.2
=====
- fix 169, 170: error importing py.log on Windows: no module named ``syslog``.

1.5.1
=====
- fix 167 - prevent pip from installing py in unsupported Python versions.

1.5.0
=====
- python 2.6 and 3.3 are no longer supported
- deprecate py.std and remove all internal uses
- fix 73 turn py.error into an actual module
- path join to / no longer produces leading double slashes
- fix 82 - remove unsupportable aliases
- fix python37 compatibility of path.sysfind on windows by correctly replacing vars
- turn iniconfig and apipkg into vendored packages and ease de-vendoring for \ 
distributions
- fix 68 remove invalid py.test.ensuretemp references
- fix 25 - deprecate path.listdir(sort=callable)
- add TerminalWriter.chars_on_current_line read-only property that tracks how \ 
many characters
  have been written to the current line.