has_attribute_ns method
has_attribute_ns
Returns true when an attribute with a given local name and namespace URI is specified on this element or has a default value, false otherwise.
Returns
true if [has attribute NS] [the specified namespace URI]; otherwise, false.
def has_attribute_ns(self, namespace_uri, local_name):
    ...
| Parameter | Type | Description | 
|---|---|---|
| namespace_uri | str | The namespace URI. | 
| local_name | str | Name of the local. |