Sphinx doc/conf: latex_font_size is deprecated.

doc/conf.py

@@ -222,11 +222,16 @@ def linkcode_resolve(domain, info):
 # Options for LaTeX output
 # ------------------------
 
-# The paper size ('letter' or 'a4').
-#latex_paper_size = 'letter'
+latex_elements = {
+    # The paper size ('letter' or 'a4').
+    #latex_paper_size = 'letter',
 
-# The font size ('10pt', '11pt' or '12pt').
-latex_font_size = '11pt'
+    # The font size ('10pt', '11pt' or '12pt').
+    'pointsize': '11pt',
+
+    # Additional stuff for the LaTeX preamble.
+    #latex_preamble = '',
+}
 
 # Grouping the document tree into LaTeX files. List of tuples
 # (source start file, target name, title, author, document class
@@ -245,9 +250,6 @@ latex_logo = 'images/theano_logo_allblue_200x46.png'
 # not chapters.
 #latex_use_parts = False
 
-# Additional stuff for the LaTeX preamble.
-#latex_preamble = ''
-
 # Documents to append as an appendix to all manuals.
 #latex_appendices = []