The example files need to be opened with the "b" flag.

Skip Montanaro · Skip Montanaro · commit bdda9f389a21 · 2004-03-17T01:24:17.000Z
diff --git a/Doc/lib/libcsv.tex b/Doc/lib/libcsv.tex
@@ -312,7 +312,7 @@ \subsection{Examples}
 
 \begin{verbatim}
 import csv
-reader = csv.reader(file("some.csv"))
+reader = csv.reader(file("some.csv", "rb"))
 for row in reader:
     print row
 \end{verbatim}
@@ -321,7 +321,7 @@ \subsection{Examples}
 
 \begin{verbatim}
 import csv
-writer = csv.writer(file("some.csv", "w"))
+writer = csv.writer(file("some.csv", "wb"))
 for row in someiterable:
     writer.writerow(row)
 \end{verbatim}
