io: Add SEEK_* symbolic constants.

Paul Sokolovsky · Paul Sokolovsky · commit 72315593b39b · 2017-10-21T21:34:41.000+03:00
diff --git a/io/io.py b/io/io.py
@@ -1 +1,5 @@
 from uio import *
+
+SEEK_SET = 0
+SEEK_CUR = 1
+SEEK_END = 2
