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Verify last is not None - to avoid crashing

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fix #3117
This commit is contained in:
Matthias 2020-04-23 20:04:36 +02:00
parent 461b0ef738
commit f4995780e5
1 changed files with 6 additions and 1 deletions
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7
freqtrade/pairlist/PriceFilter.py
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@ -37,6 +37,12 @@ class PriceFilter(IPairList):
:param ticker: ticker dict as returned from ccxt.load_markets() :param ticker: ticker dict as returned from ccxt.load_markets()
:return: True if the pair can stay, false if it should be removed :return: True if the pair can stay, false if it should be removed
""" """
if ticker['last'] is None:
self.log_on_refresh(logger.info,
f"Removed {ticker['symbol']} from whitelist, "
"because 'last' is empty (Usually no trade in the last 24h).")
return False
compare = ticker['last'] + self._exchange.price_get_one_pip(ticker['symbol'], compare = ticker['last'] + self._exchange.price_get_one_pip(ticker['symbol'],
ticker['last']) ticker['last'])
changeperc = (compare - ticker['last']) / ticker['last'] changeperc = (compare - ticker['last']) / ticker['last']
@ -47,7 +53,6 @@ class PriceFilter(IPairList):
return True return True
def filter_pairlist(self, pairlist: List[str], tickers: Dict) -> List[str]: def filter_pairlist(self, pairlist: List[str], tickers: Dict) -> List[str]:
""" """
Filters and sorts pairlist and returns the whitelist again. Filters and sorts pairlist and returns the whitelist again.
Called on each bot iteration - please use internal caching if necessary Called on each bot iteration - please use internal caching if necessary