Issue #16922: fixed findtext() to return empty Unicode string instead of empty bytes object when there's no text.

Patch by Serhiy Storchaka.

Issue #16922: fixed findtext() to return empty Unicode string instead of empty bytes object when there's no text.

Patch by Serhiy Storchaka.

sched_setscheduler() can fail with EINVAL if the process scheduling policy is
neither SCHED_FIFO nor SCHED_RR.

could be the cause of a random failure).

could be the cause of a random failure).

special characters in the file path.

special characters in the file path.

returns ESRCH for a zombie process, which is not POSIX-compliant.

returns ESRCH for a zombie process, which is not POSIX-compliant.

Coverity report) and cleanup code.

Thanks to Ezio Melotti and Daniel Shahaf for the patch.

importlib.machinery.FileFinder when the directory has become
unreadable or a file. This brings semantics in line with Python 3.2
import.

Reported and diagnosed by David Pritchard.

Now pindent.py works with a "with" statement.  pindent.py no longer produces
improper indentation.  pindent.py now works with continued lines broken after
"class" or "def" keywords and with continuations at the start of line.  Added
regression tests for pindent.py.  Modernized pindent.py.

Now pindent.py works with a "with" statement.  pindent.py no longer produces
improper indentation.  pindent.py now works with continued lines broken after
"class" or "def" keywords and with continuations at the start of line.  Added
regression tests for pindent.py.  Modernized pindent.py.