update sphinx build configuration file

Author: thehrh

docs/source/conf.py

@@ -62,24 +62,24 @@
 
 # General information about the project.
 project = u'PISA'
-copyright = u'2021, The IceCube/PINGU Collaboration'
+copyright = u'2025, The IceCube/PINGU Collaboration'
 author = u'The IceCube/PINGU Collaboration'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
 # built documents.
 #
 # The short X.Y version.
-version = u'4.0'
+version = u'4.1'
 # The full version, including alpha/beta/rc tags.
-release = u'4.0'
+release = u'4.1'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
 #
 # This is also used if you do content translation via gettext catalogs.
 # Usually you set "language" from the command line for these cases.
-language = None
+#language = 'en'
 
 # There are two options for replacing |today|: either, you set today to some
 # non-false value, then it is used: