Bug#1115295: python3-pysnmp4: Uses importlib.util which is no longer available

[Peppo Brambilla]

Hi Rik I had similar problems with my script and fixed it by editing 
/usr/lib/python3/dist-packages/pysnmp/smi/builder.py

This is just a workaround but might be helpful.
Cheers -- Peppo

*** /usr/lib/python3/dist-packages/pysnmp/smi/builder.py.orig 2019-09-24 
18:19:19.000000000 +0200
--- /usr/lib/python3/dist-packages/pysnmp/smi/builder.py 2025-10-09 
09:16:56.406215020 +0200
***************
*** 13,18 ****
--- 13,19 ----
 
  try:
      import importlib
+ import importlib.util
 
      try:
          PY_MAGIC_NUMBER = importlib.util.MAGIC_NUMBER