:mod:`uerrno ` -- Error codes ============================================================ .. module:: uerrno The ``errno`` attribute of an :ref:`OSError ` indicates why this exception was raised. This attribute has one of the following values. See also :ref:`this example `. .. autodata:: uerrno.EAGAIN .. autodata:: uerrno.EBUSY .. autodata:: uerrno.ECANCELED .. autodata:: uerrno.EINVAL .. autodata:: uerrno.EIO .. autodata:: uerrno.ENODEV .. autodata:: uerrno.EOPNOTSUPP .. autodata:: uerrno.EPERM .. autodata:: uerrno.ETIMEDOUT .. autodata:: uerrno.errorcode