Issue #26639: Replace imp with importlib in Tools/i18n/pygettext.py.

Remove _get_modpkg_path(), replaced with importlib.util.find_spec().

Patch written by Demur Rumed.

Use directly dis.opmap[name] rather than dis.opname.index(name).

Patch written by Demur Rumed.

Simplify code to build opcode.opname. Patch written by Demur Rumed.

Based on patch by Xiang Zhang.

Based on patch by Xiang Zhang.

Reported by Robert on docs@p.o.

Reported by Robert on docs@p.o.

The default value of __len__ is 0, not 1:

    >>> from unittest.mock import MagicMock
    >>> mock = MagicMock()
    >>> len(mock)
    0

Reported by Alex on docs@p.o.

Remove the remaining VMSError reference. VMS support is gone.

The default value of __len__ is 0, not 1:

    >>> from unittest.mock import MagicMock
    >>> mock = MagicMock()
    >>> len(mock)
    0

Reported by Alex on docs@p.o.

Remove the remaining VMSError reference. VMS support is gone.

Patch by Xiang Zhang.

in places where Py_DECREF was used.

in places where Py_DECREF was used.

object's type name, not object's representation.
Based on patch by Mahmoud Lababidi.

error handler for stdin and stdout.

error handler for stdin and stdout.

Remove redundant tests now that str is unicode.

This eliminates a few redundant test cases.