.. method:: str.join(seq)
- Return a string which is the concatenation of the values in the sequence
- *seq*. Non-string values in *seq* will be converted to a string using their
- respective ``str()`` value. If there are any :class:`bytes` objects in
- *seq*, a :exc:`TypeError` will be raised. The separator between elements is
- the string providing this method.
+ Return a string which is the concatenation of the strings in the sequence
+ *seq*. A :exc:`TypeError` will be raised if there are any non-string values
+ in *seq*, including :class:`bytes` objects. The separator between elements
+ is the string providing this method.
.. method:: str.ljust(width[, fillchar])