Hierarchy.description

>>> df = pd.DataFrame(
...     columns=["Product", "Price"],
...     data=[
...         ("phone", 560),
...         ("headset", 80),
...         ("watch", 250),
...     ],
... )
>>> table = session.read_pandas(df, keys={"Product"}, table_name="Example")
>>> cube = session.create_cube(table)
>>> h = cube.hierarchies

>>> h["Product"].description
''

>>> h["Product"].description = "The name of the product"
>>> h["Product"].description
'The name of the product'

>>> h["Product"].description = " "  # Blank description
>>> h["Product"].description
''