add a docstring for is_upcast_type

hgrecco · Dec 23, 2019 · 6f1e41e · 6f1e41e
1 parent 1740e8b
commit 6f1e41e
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/pint/compat.py b/pint/compat.py
@@ -147,6 +147,10 @@ def _to_magnitude(value, force_ndarray=False):
 
 
 def is_upcast_type(other):
+    """ check if the type object is a upcast type
+
+    :param other: type
+    """
     # Check if class name is in preset list
     return other.__name__ in ("PintArray", "Series", "DataArray")