client.optionsDF(ticker) throws KeyError

[satyan-g]

Two issues:

1. optionsDF throws obscure KeyError exception about 'tradeTimeInLong' when it has no options to return.
2. IPV is an optionable ticker, but client.options('IPV') returns no options

c.optionsDF('IPV')

KeyError Traceback (most recent call last)
~/anaconda/envs/TDOptions/lib/python3.7/site-packages/pandas/core/indexes/base.py in get_loc(self, key, method, tolerance)
2645 try:
-> 2646 return self._engine.get_loc(key)
2647 except KeyError:

pandas/_libs/index.pyx in pandas._libs.index.IndexEngine.get_loc()

pandas/_libs/index.pyx in pandas._libs.index.IndexEngine.get_loc()

pandas/_libs/hashtable_class_helper.pxi in pandas._libs.hashtable.PyObjectHashTable.get_item()

pandas/_libs/hashtable_class_helper.pxi in pandas._libs.hashtable.PyObjectHashTable.get_item()

KeyError: 'tradeTimeInLong'

During handling of the above exception, another exception occurred:

KeyError Traceback (most recent call last)
in
----> 1 c.optionsDF('IPV')

~/anaconda/envs/TDOptions/lib/python3.7/site-packages/tdameritrade-0.1.0-py3.7.egg/tdameritrade/client.py in optionsDF(self, symbol, contractType, strikeCount, includeQuotes, strategy, interval, strike, range, fromDate, toDate, volatility, underlyingPrice, interestRate, daysToExpiration, expMonth, optionType)
414 for col in ('tradeTimeInLong', 'quoteTimeInLong',
415 'expirationDate', 'lastTradingDay'):
--> 416 df[col] = pd.to_datetime(df[col], unit='ms')
417
418 return df

~/anaconda/envs/TDOptions/lib/python3.7/site-packages/pandas/core/frame.py in getitem(self, key)
2798 if self.columns.nlevels > 1:
2799 return self._getitem_multilevel(key)
-> 2800 indexer = self.columns.get_loc(key)
2801 if is_integer(indexer):
2802 indexer = [indexer]

~/anaconda/envs/TDOptions/lib/python3.7/site-packages/pandas/core/indexes/base.py in get_loc(self, key, method, tolerance)
2646 return self._engine.get_loc(key)
2647 except KeyError:
-> 2648 return self._engine.get_loc(self._maybe_cast_indexer(key))
2649 indexer = self.get_indexer([key], method=method, tolerance=tolerance)
2650 if indexer.ndim > 1 or indexer.size > 1:

pandas/_libs/index.pyx in pandas._libs.index.IndexEngine.get_loc()

pandas/_libs/index.pyx in pandas._libs.index.IndexEngine.get_loc()

pandas/_libs/hashtable_class_helper.pxi in pandas._libs.hashtable.PyObjectHashTable.get_item()

pandas/_libs/hashtable_class_helper.pxi in pandas._libs.hashtable.PyObjectHashTable.get_item()

KeyError: 'tradeTimeInLong'