timkpaine
commented
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First, thanks for writing this great financial functions for python. However, when I run the library, the following error message appeared.
import ffn prices = ffn.get('aapl,msft', start='2010-01-01')
TypeError Traceback (most recent call last) ~\AppData\Local\Temp/ipykernel_30212/2674933125.py in
----> 1 prices = ffn.get('aapl,msft', start='2010-01-01')
~\anaconda3\envs\invest\lib\site-packages\decorator.py in fun(*args, *kw) 230 if not kwsyntax: 231 args, kw = fix(args, kw, sig) --> 232 return caller(func, (extras + args), **kw) 233 fun.name = func.name 234 fun.doc = func.doc
~\anaconda3\envs\invest\lib\site-packages\ffn\utils.py in _memoize(func, *args, *kw) 32 return cache[key] 33 else: ---> 34 cache[key] = result = func(args, **kw) 35 return result 36
~\anaconda3\envs\invest\lib\site-packages\ffn\data.py in get(tickers, provider, common_dates, forward_fill, clean_tickers, column_names, ticker_field_sep, mrefresh, existing, kwargs) 74 # call provider - check if supports memoization 75 if hasattr(provider, "mcache"): ---> 76 data[ticker] = provider(ticker=t, field=f, mrefresh=mrefresh, kwargs) 77 else: 78 data[ticker] = provider(ticker=t, field=f, **kwargs)
~\anaconda3\envs\invest\lib\site-packages\decorator.py in fun(*args, *kw) 230 if not kwsyntax: 231 args, kw = fix(args, kw, sig) --> 232 return caller(func, (extras + args), **kw) 233 fun.name = func.name 234 fun.doc = func.doc
~\anaconda3\envs\invest\lib\site-packages\ffn\utils.py in _memoize(func, *args, *kw) 32 return cache[key] 33 else: ---> 34 cache[key] = result = func(args, **kw) 35 return result 36
~\anaconda3\envs\invest\lib\site-packages\ffn\data.py in yf(ticker, field, start, end, mrefresh) 138 field = "Adj Close" 139 --> 140 tmp = pdata.get_data_yahoo(ticker, start=start, end=end) 141 142 if tmp is None:
~\anaconda3\envs\invest\lib\site-packages\pandas_datareader\data.py in get_data_yahoo(*args, kwargs) 78 79 def get_data_yahoo(*args, *kwargs): ---> 80 return YahooDailyReader(args, kwargs).read() 81 82
~\anaconda3\envs\invest\lib\site-packages\pandas_datareader\base.py in read(self) 251 # If a single symbol, (e.g., 'GOOG') 252 if isinstance(self.symbols, (string_types, int)): --> 253 df = self._read_one_data(self.url, params=self._get_params(self.symbols)) 254 # Or multiple symbols, (e.g., ['GOOG', 'AAPL', 'MSFT']) 255 elif isinstance(self.symbols, DataFrame):
~\anaconda3\envs\invest\lib\site-packages\pandas_datareader\yahoo\daily.py in _read_one_data(self, url, params) 151 try: 152 j = json.loads(re.search(ptrn, resp.text, re.DOTALL).group(1)) --> 153 data = j["context"]["dispatcher"]["stores"]["HistoricalPriceStore"] 154 except KeyError: 155 msg = "No data fetched for symbol {} using {}"
TypeError: string indices must be integers
Hope you can help to fix it. Thanks again!