They are not used as base classes by another tests so they
can safely be removed.

sqlite3.OptimizedUnicode is an alias for str in Python 3 and
its behavior is already tested in CheckOptimizedUnicode in
Lib/sqlite3/test/factory.py.

sqlite3.OptimizedUnicode was undocumented in 0fc10a33eb4c and
probably added back with the result of a bad merge.

containing spaces.

Previously, when IDLE was started from a console or by import, a cascade
of warnings was emitted.  Patch by Serhiy Storchaka.

Replace os.popen() with subprocess.Popen. Based on patch by Victor Stinner.

If the "gcc", "cc" or "objdump" command is not available, the code was
supposed to raise an OSError exception. But there was a bug in the code. The
shell code returns the exit code 10 if the required command is missing, and the
code tries to check for the status 10. The problem is that os.popen() doesn't
return the exit code directly, but a status which should be processed by
os.WIFEXITED() and os.WEXITSTATUS(). In practice, the exception was never
raised. The OSError exception was not documented and ctypes.util.find_library()
is expected to return None if the library is not found.

Based on patch by Serhiy Storchaka.

Patch by Gareth Rees.

Update current tests that use old pattern with assertRaises
to make them more maintainable.

functools.partial objects.

Patch by Dave Sawyer.

* Connection.execute* methods don't create intermediate cursor objects
* Fix description of seq_of_parameters parameter
* Clarify that Warning is sqlite3.Warning
* sql_script parameter of Cursor.executescript() doesn't accept bytes
* Add missing tests
* Fix various markup errors

Initial patch by Dave Sawyer.

Initial patch by Jelle Zijlstra.

function with generalized unpacking (PEP 448) and conflicting keyword names
could cause undefined behavior.