diff --git a/.guix-channel b/.guix-channel
index 2ae5e3c..16a38aa 100644
--- a/.guix-channel
+++ b/.guix-channel
@@ -1,9 +1,9 @@
 (channel
     (version 0)
     (dependencies
-        (channel 
-            (name guix-past)
-            (url "https://gitlab.inria.fr/guix-hpc/guix-past"))
+;        (channel 
+;            (name guix-past)
+;            (url "https://gitlab.inria.fr/guix-hpc/guix-past"))
         (channel
             (name guix-science)
             (url "https://github.com/guix-science/guix-science.git"))))
\ No newline at end of file
diff --git a/glicid/packages/science.scm b/glicid/packages/science.scm
index c50b751..3ce1175 100644
--- a/glicid/packages/science.scm
+++ b/glicid/packages/science.scm
@@ -19,7 +19,7 @@
   #:use-module (gnu packages maths)
   #:use-module (gnu packages mpi)
   #:use-module (gnu packages python)
-  #:use-module (past packages python)
+;  #:use-module (past packages python)
   #:use-module (gnu packages python-xyz)
   #:use-module (gnu packages sphinx)
   #:use-module (gnu packages commencement)
@@ -91,7 +91,7 @@
     (propagated-inputs `(("gdb" ,gdb)
                          ("sqlite" ,sqlite)
                          ("openmpi" ,openmpi)
-                         ("python" ,python-3.8)
+                         ("python" ,python) ;; beware python 3.10 is *NOT* supported
                          ("python-numpy" ,python-numpy)
                          ("python-matplotlib" ,python-matplotlib)
                          ("python-sphinx" ,python-sphinx)