Update conf.py lang hints

conf.py

@@ -57,18 +57,22 @@ release = '1.0'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
-language = 'ru'
+language = 'kk'
+
+def setup(app):
+    from sphinx.writers.latex import ExtBabel
+    original_get_language = ExtBabel.get_language
+    def patched_get_language(self):
+        lang = original_get_language(self)
+        if lang == 'kazakh':
+            return 'russian'
+        return lang
+    ExtBabel.get_language = patched_get_language
+
 latex_elements = {
     'babel': r'\usepackage[russian]{babel}',
     'inputenc': r'\usepackage[utf8]{inputenc}',
     'fontenc': r'\usepackage[T2A]{fontenc}',
-    'preamble': r'''
-\usepackage[T2A]{fontenc}
-\usepackage[utf8]{inputenc}
-\usepackage[russian]{babel}
-\addto\captionsrussian{\renewcommand{\figurename}{Fig.}}
-\addto\captionsrussian{\renewcommand{\tablename}{Table}}
-''',
 }
 
 # There are two options for replacing |today|: either, you set today to some