GetSites Fails: NLDAS_FORA 

GetSites fails using `suds` and `ulmo` in Python3:

```
Server raised fault: 'Unrecognized service. List of available method(s): GetSites GetSitesXml GetSiteInfo GetSiteInfoObject GetVariableInfo GetVariableInfoObject GetValues GetValuesObject'
TarlandHydrology: <unknown>:138:7: mismatched tag
```