Removing Hindi characters because of LaTeX

$ fab pdf
[localhost] local: pandoc -f markdown -o byte_of_python.pdf -N -V
papersize:"a4paper" --toc 01-frontpage.md 02-preface.md 03-intro.md
04-installation.md 05-first-steps.md 06-basics.md
07-operators-expressions.md 08-control-flow.md 09-functions.md
10-modules.md 11-data-structures.md 12-problem-solving.md 13-oop.md
14-io.md 15-exceptions.md 16-standard-library.md 17-more.md
18-what-next.md 19-appendix-floss.md 20-appendix-about.md
21-revision-history.md 22-translations.md 23-translation-howto.md
pandoc: Error producing PDF from TeX source.
! Package inputenc Error: Unicode char \u8:न not set up for use with
LaTeX.

See the inputenc package documentation for explanation.
Type  H <return>  for immediate help.
 ...

 l.5539 ...ते दुनिया"}\NormalTok{)}

14-io.md

@@ -234,7 +234,7 @@ function:
 # encoding=utf-8
 
 f = open("abc.txt", "wt", encoding="utf-8")
-f.write("नमस्ते दुनिया")
+f.write("Imagine non-English language here")
 f.close()
 
 text = open("abc.txt", encoding="utf-8").read()