Method unset

Lib/test/support/os_helper.py:776–779

Unset one or more environment variables.

(self, envvar, /, *envvars)

        self[envvar] = value

    def unset(self, envvar, /, *envvars):
        """Unset one or more environment variables."""
        for ev in (envvar, *envvars):
            del self[ev]

    def copy(self):
        # We do what os.environ.copy() does.