can not run proc_sisimp.py in default mode

[alihakimi68]

In July 2023 I ran SWOT hydrology toolbox on a virtual linux and it worked fine with no problem.
Today I want to run it again, when I run command
$ python $SWOT_HYDROLOGY_TOOLBOX/sisimp/proc_sisimp.py rdf/parameter_sisimp.rdf
I receive an error:

Traceback (most recent call last):
File "/home/optimus/swot-hydrology-toolbox/sisimp/proc_sisimp.py", line 25, in
import sisimp_processing as sisimp_ps
File "/home/optimus/swot-hydrology-toolbox/sisimp/sisimp_processing.py", line 35, in
import sisimp_function as sisimp_fct
File "/home/optimus/swot-hydrology-toolbox/sisimp/sisimp_function.py", line 24, in
import write_polygons as write_poly
File "/home/optimus/swot-hydrology-toolbox/sisimp/write_polygons.py", line 41, in
import proc_pixc
File "/home/optimus/swot-hydrology-toolbox/sisimp/proc_pixc.py", line 24, in
import product_netcdf as my_nc
File "/home/optimus/swot-hydrology-toolbox/sisimp/product_netcdf.py", line 22, in
import cnes.common.lib.my_netcdf_file as my_nc
ModuleNotFoundError: No module named 'cnes'

the orbits are created successfully and I checked them in a GIS software.

[alihakimi68]

There is a list of requirements in: processing/src/cnes/sas/requirements.txt
that should be installed. And that will fix the problem.