diff --git a/Lib/netrc.py b/Lib/netrc.py
index 8fe4cee..2aa48f3 100644
--- a/Lib/netrc.py
+++ b/Lib/netrc.py
@@ -2,7 +2,9 @@
 
 # Module and documentation by Eric S. Raymond, 21 Dec 1998
 
-import io, os, shlex, stat, pwd
+import os, shlex, stat
+if os.name == 'posix':
+    import pwd
 
 __all__ = ["netrc", "NetrcParseError"]