Merge #33822

Author: Matthias Koeppe

build/pkgs/python3/distros/debian.txt

@@ -1,3 +1,4 @@
 python3
 libpython3-dev
 python3-distutils
+python3-venv

build/pkgs/python3/spkg-configure.m4

@@ -24,7 +24,7 @@ SAGE_SPKG_CONFIGURE([python3], [
       dnl Check if we can do venv with a system python3
       dnl instead of building our own copy.
       dnl  Trac #31160: We no longer check for readline here.
-      check_modules="sqlite3, ctypes, math, hashlib, crypt, socket, zlib, distutils.core, ssl"
+      check_modules="sqlite3, ctypes, math, hashlib, crypt, socket, zlib, distutils.core, ssl, ensurepip"
       AC_CACHE_CHECK([for python3 >= ]MIN_VERSION[, < ]LT_VERSION[ with modules $check_modules], [ac_cv_path_PYTHON3], [
         AS_IF([test x"$ac_path_PYTHON3" != x], [dnl checking explicitly specified $with_python
            AC_MSG_RESULT([])