diff --git a/python-stdlib/sys/manifest.py b/python-stdlib/sys/manifest.py
new file mode 100644
index 000000000..e2b4d0150
--- /dev/null
+++ b/python-stdlib/sys/manifest.py
@@ -0,0 +1,3 @@
+metadata(version="0.0.1")
+
+module("sys.py")
diff --git a/python-stdlib/sys/sys.py b/python-stdlib/sys/sys.py
new file mode 100644
index 000000000..5e970ad16
--- /dev/null
+++ b/python-stdlib/sys/sys.py
@@ -0,0 +1,7 @@
+from usys import *
+
+
+def intern(s):
+    # MicroPython has its own interning mechanism so just return the string,
+    # which might or might not actually be interned.
+    return s