python3-sh: Upgrade 1.12.14 -> 1.13.1

Upgrade to release 1.13.1:

- regression fix if _fg=False
- minor Travis CI fixes
- bugfix for boolean long options not respecting _long_prefix
- fix deprecation warning on Python 3.6 regexes
- _pass_fds and _close_fds special kwargs for controlling file
  descriptor inheritance in child.
- more efficiently closing inherited fds
- bugfix where passing invalid dictionary to _env will cause a
  mysterious child 255 exit code.
- bugfix where _in using 0 or sys.stdin wasn't behaving like a
  TTY, if it was in fact a TTY.
- bugfix where help(sh) raised an exception
- bugfix fixing broken interactive ssh tutorial from docs
- change to automatic tty merging into a single pty if
  _tty_in=True and _tty_out=True
- introducing _unify_ttys, default False, which allows explicit
  tty merging into single pty
- contrib command for ssh connections requiring passwords
- performance fix for polling output too fast when using _iter
- execution contexts can now be used in python shell
- bugfix ErrorReturnCode instances can now be pickled
- bugfix passing empty string or None for _in hanged
- bugfix where passing a filename or file-like object to _out
  wasn't using os.dup2
- regression make _fg work with _cwd again
- an invalid _cwd now raises a ForkException not an OSError.
- AIX support
- added a timeout=None param to RunningCommand.wait()

Signed-off-by: Leon Anavi <leon.anavi@konsulko.com>
Acked-by: Trevor Gamblin <trevor.gamblin@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-python/recipes-devtools/python/python3-sh_1.13.1.bb

@@ -3,8 +3,8 @@ HOMEPAGE = "https://github.com/amoffat/sh"
 LICENSE = "MIT"
 LIC_FILES_CHKSUM = "file://LICENSE.txt;md5=5317094292296f03405f59ae5f6544b6"
 
-SRC_URI[md5sum] = "a8351aef25d25f707c17e0a7a6280251"
-SRC_URI[sha256sum] = "b52bf5833ed01c7b5c5fb73a7f71b3d98d48e9b9b8764236237bdc7ecae850fc"
+SRC_URI[md5sum] = "7e3dd3a6b49c06db93746994a68cb8cf"
+SRC_URI[sha256sum] = "97a3d2205e3c6a842d87ebbc9ae93acae5a352b1bc4609b428d0fd5bb9e286a3"
 
 PYPI_PACKAGE = "sh"