Oops, missed mode parameter to open().

diff --git a/Lib/gzip.py b/Lib/gzip.py
index 793bf5c585936c03c21b61fbdb4165b4e19d81e0..9efeaf0198fc3a439a45320d4dd6435c4b87b55c 100644 (file)
--- a/Lib/gzip.py
+++ b/Lib/gzip.py
@@ -20,7 +20,7 @@ def write32(output, value):
 def read32(input):
     return struct.unpack("<l", input.read(4))[0]
 
-def open(filename, mode="r", compresslevel=9):
+def open(filename, mode="rb", compresslevel=9):
     return GzipFile(filename, mode, compresslevel)
 
 class GzipFile: