Escaped character in conf.py for latex settings
@@ -312,7 +312,7 @@ latex_elements = {
# Additional stuff for the LaTeX preamble.
#
- 'preamble': '\setcounter{tocdepth}{2}',
+ 'preamble': r'\setcounter{tocdepth}{2}',
# Latex figure (float) alignment
#
