diff --git a/python-stdlib/os-path/os/path.py b/python-stdlib/os-path/os/path.py
index 7b4f937e..387d350f 100644
--- a/python-stdlib/os-path/os/path.py
+++ b/python-stdlib/os-path/os/path.py
@@ -12,6 +12,10 @@ def normpath(s):
     return s
 
 
+def realpath(s):
+    return s
+
+
 def abspath(s):
     if s[0] != "/":
         return os.getcwd() + "/" + s