Added custom dot-path.

Author: hcpchris

highcharts_maps/options/axes/parallel_axes.py

@@ -1,3 +1,4 @@
+from typing import Optional
 from highcharts_maps.options.axes.y_axis import YAxis
 
 
@@ -9,4 +10,11 @@ class ParallelAxesOptions(YAxis):
       This feature requires ``modules/parallel-coordinates.js``.
 
     """
-    pass
+
+    @property
+    def _dot_path(self) -> Optional[str]:
+        """The dot-notation path to the options key for the current class.
+
+        :rtype: :class:`str <python:str>` or :obj:`None <python:None>`
+        """
+        return 'chart.parallelAxes'