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.

* No longer attempts to close already freed socket file descriptor
* Use socket object to be compatible with Windows
* Do not use a timeout to avoid complication with non-blocking mode
* Use internal localhost server rather than depending on a third party
* Avoid trouble with buffered HTTP data by testing tunnelled CONNECT data

Issue #26716. IOError is a deprecated alias to OSError since Python 3.3.