ValueError: could not convert string to float: Close

[fanglei80]

hello, don't know if anyone can help me, i keep receiving this Value error message while entering the following syntax:
price_handler = IQFeedIntradayCsvBarPriceHandler(
csv_dir, events_queue, tickers, start_date=start_date
)
After that i tried to modify the source code of qstrader, iq_feed_intraday_csv_bar.py making conversion of Close data of type string to float, but doesn't work at all. Many thanks!

[JamesKBowler]

can you provide the full trace back please?

[fanglei80]

hi Thanks a lot for your reply! here is the full version of the track back. I can provide you with the data, model trained and other related source files if needed :-))

ValueError Traceback (most recent call last)
in ()
83 tickers = ["AREX"]
84 filename = None
---> 85 run(config, testing, tickers, filename)

in run(config, testing, tickers, filename)
31 end_date = datetime.datetime(2014, 3, 11)
32 price_handler = IQFeedIntradayCsvBarPriceHandler(
---> 33 csv_dir, events_queue, tickers, start_date=start_date
34 )
35

/home/fanglei/venv/qstraderp3/lib/python3.5/site-packages/qstrader/price_handler/iq_feed_intraday_csv_bar.py in init(self, csv_dir, events_queue, init_tickers, start_date, end_date)
33 if init_tickers is not None:
34 for ticker in init_tickers:
---> 35 self.subscribe_ticker(ticker)
36 self.start_date = start_date
37 self.end_date = end_date

/home/fanglei/venv/qstraderp3/lib/python3.5/site-packages/qstrader/price_handler/iq_feed_intraday_csv_bar.py in subscribe_ticker(self, ticker)
92 row0 = dft.iloc[0]
93
---> 94 close = PriceParser.parse(row0["Close"])
95
96 ticker_prices = {

/home/fanglei/venv/qstraderp3/lib/python3.5/site-packages/multipledispatch/dispatcher.py in call(self, *args, **kwargs)
208 self._cache[types] = func
209 try:
--> 210 return func(*args, **kwargs)
211
212 except MDNotImplementedError:

/home/fanglei/venv/qstraderp3/lib/python3.5/site-packages/qstrader/price_parser.py in parse(x)
37 @dispatch(str)
38 def parse(x): # flake8: noqa
---> 39 return int(float(x) * PriceParser.PRICE_MULTIPLIER)
40
41 @staticmethod

ValueError: could not convert string to float: 'Close'

[JamesKBowler]

To make it easier to read please format your message.

This is easy

Aren't you just passing a string to the parser somewhere?