message: Update valgrind suppressions for python 3.7
diff: fun:_ZN7QThread8finishedENS_14QPrivateSignalE
  }
  -# Python
  +# Python 3.6
  {
  PythonLeak
  Memcheck:Leak
  ...
  obj:*libpython3.6m.so*
  }
  +# Python 3.7
  +{
  + PythonLeak
  + Memcheck:Leak
  + match-leak-kinds: all
  + ...
  + obj:*libpython3.7m.so*
  +}
  +{
  + PythonRead
  + Memcheck:Addr4
  + ...
  + obj:*libpython3.7m.so*
  +}
  +{
  + PythonRead
  + Memcheck:Value8
  + ...
  + obj:*libpython3.7m.so*
  +}
  +{
  + PythonRead
  + Memcheck:Cond
  + ...
  + obj:*libpython3.7m.so*
  +}
  # Unknown cause but not important leak
  {
  