we use ArcGIS API for Python in a project and encountered the following problem:
In ArcGIS API for Python 1.5.1 the boolean type property "is_valid" of geometries of type Polygon was removed and replaced by a method. This method is_valid() does not work like the boolean property in the previous versions. It throws an error for valid Polygon geometries as shown below:
Do you have an idea how to work around this problem ?
Student assistant at Esri Deutschland
I prepared two Jupyter Notebooks to be able to reproduce this issue. You will find them in the attached zip file.
Documentation mentions it in the GeoSeriesAccessor section and return type should be the boolean types True or False: