def concatenate(self, other):
if not isinstance(other, LineString):<EOL><INDENT>other = LineString(other)<EOL><DEDENT>return self.deepcopy(<EOL>coords=np.concatenate([self.coords, other.coords], axis=<NUM_LIT:0>))<EOL>
Concatenate this line string with another one.

This will add a line segment between the end point of this line string
and the start point of `other`.

Parameters
----------
other : imgaug.augmentables.lines.LineString or ndarray \
        or iterable of tuple of number
    The points to add to this line string.

Returns
-------
imgaug.augmentables.lines.LineString
    New line string with concatenated points.
    The `label` of this line string will be kept.