dateTime heading error in usgs nwis class

[inkenbrandt]

---------------------------------------------------------------------------`
KeyError                                  Traceback (most recent call last)

<ipython-input-5-1abfc7093eba> in plotfits(HUC, SITE, fileloc)
     28 
     29     # Grab USGS data for comparison
---> 30     nw = wa.nwis('dv',SITE,'sites', startDT='2003-01-01')
     31     data = nw.data
     32     Label = nw.sites.station_nm[0].title()

c:\users\paulinkenbrandt\documents\github\env\lib\site-packages\wellapplication\usgs.pyc in __init__(self, service, values, loc_type, **kwargs)
     48         self.end_date = str(datetime.today().year) + '-' + str(datetime.today().month).zfill(2) + '-' + str(
     49             datetime.today().day).zfill(2)
---> 50         self.sites, self.data = self.get_nwis(**kwargs)
     51 
     52     @staticmethod

c:\users\paulinkenbrandt\documents\github\env\lib\site-packages\wellapplication\usgs.pyc in get_nwis(self, **kwargs)
    126 
    127             df = pd.DataFrame(dt[i]['values'][0]['value'])
--> 128             df.index = pd.to_datetime(df.pop('dateTime'))
    129             df.value = df.value.astype(float)
    130             df.index.name = 'datetime'

c:\users\paulinkenbrandt\documents\github\env\lib\site-packages\pandas\core\generic.pyc in pop(self, item)
    523         Return item and drop from frame. Raise KeyError if not found.
    524         """
--> 525         result = self[item]
    526         del self[item]
    527         try:

c:\users\paulinkenbrandt\documents\github\env\lib\site-packages\pandas\core\frame.pyc in __getitem__(self, key)
   2057             return self._getitem_multilevel(key)
   2058         else:
-> 2059             return self._getitem_column(key)
   2060 
   2061     def _getitem_column(self, key):

c:\users\paulinkenbrandt\documents\github\env\lib\site-packages\pandas\core\frame.pyc in _getitem_column(self, key)
   2064         # get column
   2065         if self.columns.is_unique:
-> 2066             return self._get_item_cache(key)
   2067 
   2068         # duplicate columns & possible reduce dimensionality

c:\users\paulinkenbrandt\documents\github\env\lib\site-packages\pandas\core\generic.pyc in _get_item_cache(self, item)
   1384         res = cache.get(item)
   1385         if res is None:
-> 1386             values = self._data.get(item)
   1387             res = self._box_item_values(item, values)
   1388             cache[item] = res

c:\users\paulinkenbrandt\documents\github\env\lib\site-packages\pandas\core\internals.pyc in get(self, item, fastpath)
   3539 
   3540             if not isnull(item):
-> 3541                 loc = self.items.get_loc(item)
   3542             else:
   3543                 indexer = np.arange(len(self.items))[isnull(self.items)]

c:\users\paulinkenbrandt\documents\github\env\lib\site-packages\pandas\indexes\base.pyc in get_loc(self, key, method, tolerance)
   2134                 return self._engine.get_loc(key)
   2135             except KeyError:
-> 2136                 return self._engine.get_loc(self._maybe_cast_indexer(key))
   2137 
   2138         indexer = self.get_indexer([key], method=method, tolerance=tolerance)

pandas\index.pyx in pandas.index.IndexEngine.get_loc (pandas\index.c:4443)()

pandas\index.pyx in pandas.index.IndexEngine.get_loc (pandas\index.c:4289)()

pandas\src\hashtable_class_helper.pxi in pandas.hashtable.PyObjectHashTable.get_item (pandas\hashtable.c:13733)()

pandas\src\hashtable_class_helper.pxi in pandas.hashtable.PyObjectHashTable.get_item (pandas\hashtable.c:13687)()

KeyError: 'dateTime'