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-rw-r--r--Doc/lib/libcontextlib.tex2
1 files changed, 2 insertions, 0 deletions
diff --git a/Doc/lib/libcontextlib.tex b/Doc/lib/libcontextlib.tex
index 5f12af8..842c954 100644
--- a/Doc/lib/libcontextlib.tex
+++ b/Doc/lib/libcontextlib.tex
@@ -121,7 +121,9 @@ def closing(thing):
And lets you write code like this:
\begin{verbatim}
+from __future__ import with_statement
from contextlib import closing
+import codecs
with closing(codecs.open("foo", encoding="utf8")) as f:
for line in f: