diff -Nru python-csb-1.2.5+dfsg/debian/changelog python-csb-1.2.5+dfsg/debian/changelog
--- python-csb-1.2.5+dfsg/debian/changelog	2023-07-04 18:50:12.000000000 +0000
+++ python-csb-1.2.5+dfsg/debian/changelog	2023-12-09 15:49:02.000000000 +0000
@@ -1,3 +1,10 @@
+python-csb (1.2.5+dfsg-10) unstable; urgency=medium
+
+  * Team Upload.
+  * Add patch to fix FTBFS with py3.12 (Closes: #1056464)
+
+ -- Nilesh Patra <nilesh@debian.org>  Sat, 09 Dec 2023 21:19:02 +0530
+
 python-csb (1.2.5+dfsg-9) unstable; urgency=medium
 
   * Fix Python3 syntax
diff -Nru python-csb-1.2.5+dfsg/debian/patches/python-3.12.patch python-csb-1.2.5+dfsg/debian/patches/python-3.12.patch
--- python-csb-1.2.5+dfsg/debian/patches/python-3.12.patch	1970-01-01 00:00:00.000000000 +0000
+++ python-csb-1.2.5+dfsg/debian/patches/python-3.12.patch	2023-12-09 15:48:04.000000000 +0000
@@ -0,0 +1,44 @@
+Description: Replace imp usage with importlib since the former is removed with py3.12
+Author: Nilesh Patra <nilesh@debian.org>
+Bug-Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1056464
+Last-Update: 2023-12-09
+--- a/csb/build.py
++++ b/csb/build.py
+@@ -55,7 +55,7 @@
+ """
+ It is now safe to import any modules  
+ """
+-import imp
++import importlib
+ import shutil
+ import tarfile
+ 
+@@ -333,7 +333,7 @@
+         version = package = None
+ 
+         try:       
+-            setup = imp.load_source('setupcsb', 'setup.py')
++            setup = importlib.machinery.SourceFileLoader('setupcsb', 'setup.py').load_module()
+             d = setup.build()
+             version = setup.VERSION
+             package = d.dist_files[0][2]
+--- a/csb/test/__init__.py
++++ b/csb/test/__init__.py
+@@ -159,7 +159,7 @@
+ """
+ import os
+ import sys
+-import imp
++import importlib
+ import types
+ import time
+ import tempfile
+@@ -564,7 +564,7 @@
+         name = os.path.splitext(os.path.abspath(path))[0]
+         name = name.replace('.', '-').rstrip('__init__').strip(os.path.sep)
+         
+-        return imp.load_source(name, path)        
++        return importlib.machinery.SourceFileLoader(name, path).load_module()
+     
+     def _recurse(self, obj):
+         """
diff -Nru python-csb-1.2.5+dfsg/debian/patches/series python-csb-1.2.5+dfsg/debian/patches/series
--- python-csb-1.2.5+dfsg/debian/patches/series	2023-07-04 18:50:12.000000000 +0000
+++ python-csb-1.2.5+dfsg/debian/patches/series	2023-12-09 15:44:45.000000000 +0000
@@ -3,3 +3,4 @@
 fix_setup.patch
 avoid-multiple-namespace.patch
 python3-syntax.patch
+python-3.12.patch