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TST: raise when no data are found when trying to dld multiple symbols #4184

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Merged
merged 1 commit into from
Jul 9, 2013
Merged

TST: raise when no data are found when trying to dld multiple symbols #4184

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7 changes: 6 additions & 1 deletion pandas/io/data.py
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Original file line number Diff line number Diff line change
Expand Up @@ -312,7 +312,12 @@ def _dl_mult_symbols(symbols, start, end, chunksize, retry_count, pause,
'NaN.'.format(sym), SymbolWarning)
stocks[sym] = np.nan

return Panel(stocks).swapaxes('items', 'minor')
try:
return Panel(stocks).swapaxes('items', 'minor')
except AttributeError:
# cannot construct a panel with just 1D nans indicating no data
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I'll create an issue for this to have a better error msg

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thanks

raise RemoteDataError("No data fetched using "
"{0!r}".format(method.__name__))


_source_functions = {'google': _get_hist_google, 'yahoo': _get_hist_yahoo}
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