diff --git a/docs/modules/math.md b/docs/modules/math.md
index fb9a6609..94362a40 100644
--- a/docs/modules/math.md
+++ b/docs/modules/math.md
@@ -36,9 +36,9 @@ Return the floor of `x` as a float, the largest integer value less than or equal
 Return an accurate floating point sum of values in the iterable. Avoids loss of precision by tracking multiple intermediate partial sums:
 
 ```
->>> sum([.1, .1, .1, .1, .1, .1, .1, .1, .1, .1])
+>>> sum([0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1])
 0.9999999999999999
->>> fsum([.1, .1, .1, .1, .1, .1, .1, .1, .1, .1])
+>>> fsum([0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1])
 1.0
 ```
 
diff --git a/python/builtins.py b/python/builtins.py
index e12e0f8f..6df3b7c9 100644
--- a/python/builtins.py
+++ b/python/builtins.py
@@ -185,8 +185,6 @@ class property:
     def __init__(self, fget, fset=None):
         self.fget = fget
         self.fset = fset
-        if hasattr(fget, '__doc__'):
-            self.__doc__ = fget.__doc__
 
     def __get__(self, obj):
         return self.fget(obj)