Adapt PyConf API to snake_case convention
Depends on LHCb!2948 (merged).
Relates to https://gitlab.cern.ch/lhcb-dpa/project/-/issues/89.
Edited by Eduardo Rodrigues
Depends on LHCb!2948 (merged).
Relates to https://gitlab.cern.ch/lhcb-dpa/project/-/issues/89.