if _installedVersionFound and not runOtb:
    return _installedVersion

if otbPath() is None:
    _installedVersionFound = False
    return None
commands = [os.path.join(otbPath(), "otbcli_Smoothing")]
progress = SilentProgress()
out = executeOtb(commands, progress, False)
for line in out:
    if "version" in line:
        _installedVersionFound = True
        _installedVersion = line.split("version")[-1].strip()
        break
return _installedVersion

if _installedVersionFound and not runOtb:
    return _installedVersion

if otbPath() is None or otbLibPath() is None:
    _installedVersionFound = False
    _installedVersion = {"5.0.0"}

return _installedVersion