ERROR: openscenegraph/3.6.5: Error in package_info() method, line 536
	if (self.settings.os == "Macos" and Version(self.settings.os.version) >= "10.8") or (self.settings.os == "iOS" and Version(self.settings.os.version) >= "6.0"):
	ConanException: 'settings.os.version.strip' doesn't exist
'settings.os.version' possible configurations are none