Warnings not suppressed by verbosity(0)

[YehudiB]

With
freesasa.Structure.defaultOptions["hetatm"]=True
freesasa runs into issues reading heme molecules:

every single atoms contributes to:

FreeSASA: warning: atom 'HEM C3B' unknown, guessing element is ' C', and radius 1.700 A
FreeSASA: warning: atom 'HEM C3C' unknown, guessing element is ' C', and radius 1.700 A
FreeSASA: warning: atom 'HEM C3D' unknown, guessing element is ' C', and radius 1.700 A
FreeSASA: warning: atom 'HEM C4A' unknown, guessing element is ' C', and radius 1.700 A
FreeSASA: warning: atom 'HEM C4B' unknown, guessing element is ' C', and radius 1.700 A
FreeSASA: warning: atom 'HEM C4C' unknown, guessing element is ' C', and radius 1.700 A
FreeSASA: warning: atom 'HEM C4D' unknown, guessing element is ' C', and radius 1.700 A
FreeSASA: warning: atom 'HEM NC ' unknown, guessing element is ' N', and radius 1.550 A
FreeSASA: warning: atom 'HEM FE ' unknown, guessing element is 'FE', and radius 1.260 A

These warnings can't be stopped with freesasa.setVerbosity(0).