it seems that /dev/tty is seekable on Solaris, too
diff --git a/Lib/test/test_fileio.py b/Lib/test/test_fileio.py
index c94ceaf..12b8e7d 100644
--- a/Lib/test/test_fileio.py
+++ b/Lib/test/test_fileio.py
@@ -137,7 +137,8 @@
self.assertEquals(f.readable(), False)
self.assertEquals(f.writable(), True)
if sys.platform != "darwin" and \
- not sys.platform.startswith('freebsd'):
+ not sys.platform.startswith('freebsd') and \
+ not sys.platform.startswith('sunos'):
# Somehow /dev/tty appears seekable on some BSDs
self.assertEquals(f.seekable(), False)
self.assertEquals(f.isatty(), True)