.exports: Add PYTHONIOENCODING

https://docs.python.org/2/using/cmdline.html#envvar-PYTHONIOENCODING

.exports

@@ -8,6 +8,9 @@ export NODE_REPL_HISTORY_SIZE='32768';
 # Use sloppy mode by default, matching web browsers.
 export NODE_REPL_MODE='sloppy';
 
+# Make Python use UTF-8 encoding for output to stdin, stdout, and stderr.
+export PYTHONIOENCODING='UTF-8';
+
 # Increase Bash history size. Allow 32³ entries; the default is 500.
 export HISTSIZE='32768';
 export HISTFILESIZE="${HISTSIZE}";