tests: Add missing "import sys".

pfalcon · pfalcon · commit 9aeec0e3a352 · 2014-10-06T22:30:46.000+03:00
diff --git a/tests/extmod/uctypes_ptr_le.py b/tests/extmod/uctypes_ptr_le.py
@@ -1,3 +1,4 @@
+import sys
 import uctypes
 
 if sys.byteorder != "little":
