Removed None in dict.get()

https://stackoverflow.com/a/12631641

Extra Changes: freqtrade\freqtradebot.py:70
freqtrade\plugins\pairlistmanager.py:31

freqtrade/plugins/pairlist/AgeFilter.py

@@ -30,7 +30,7 @@ class AgeFilter(IPairList):
         self._symbolsCheckFailed = PeriodicCache(maxsize=1000, ttl=86_400)
 
         self._min_days_listed = pairlistconfig.get('min_days_listed', 10)
-        self._max_days_listed = pairlistconfig.get('max_days_listed', None)
+        self._max_days_listed = pairlistconfig.get('max_days_listed')
 
         candle_limit = exchange.ohlcv_candle_limit('1d', self._config['candle_type_def'])
         if self._min_days_listed < 1:

freqtrade/plugins/pairlist/PerformanceFilter.py

@@ -21,7 +21,7 @@ class PerformanceFilter(IPairList):
         super().__init__(exchange, pairlistmanager, config, pairlistconfig, pairlist_pos)
 
         self._minutes = pairlistconfig.get('minutes', 0)
-        self._min_profit = pairlistconfig.get('min_profit', None)
+        self._min_profit = pairlistconfig.get('min_profit')
 
     @property
     def needstickers(self) -> bool:

freqtrade/plugins/pairlist/PriceFilter.py

@@ -70,7 +70,7 @@ class PriceFilter(IPairList):
         :param ticker: ticker dict as returned from ccxt.fetch_tickers()
         :return: True if the pair can stay, false if it should be removed
         """
-        if ticker.get('last', None) is None or ticker.get('last') == 0:
+        if ticker.get('last') is None or ticker.get('last') == 0:
             self.log_once(f"Removed {pair} from whitelist, because "
                           "ticker['last'] is empty (Usually no trade in the last 24h).",
                           logger.info)

freqtrade/plugins/pairlist/rangestabilityfilter.py

@@ -27,7 +27,7 @@ class RangeStabilityFilter(IPairList):
 
         self._days = pairlistconfig.get('lookback_days', 10)
         self._min_rate_of_change = pairlistconfig.get('min_rate_of_change', 0.01)
-        self._max_rate_of_change = pairlistconfig.get('max_rate_of_change', None)
+        self._max_rate_of_change = pairlistconfig.get('max_rate_of_change')
         self._refresh_period = pairlistconfig.get('refresh_period', 1440)
         self._def_candletype = self._config['candle_type_def']
 

freqtrade/plugins/pairlistmanager.py

@@ -28,7 +28,7 @@ class PairListManager(LoggingMixin):
         self._blacklist = self._config['exchange'].get('pair_blacklist', [])
         self._pairlist_handlers: List[IPairList] = []
         self._tickers_needed = False
-        for pairlist_handler_config in self._config.get('pairlists', None):
+        for pairlist_handler_config in self._config.get('pairlists', []):
             pairlist_handler = PairListResolver.load_pairlist(
                 pairlist_handler_config['method'],
                 exchange=exchange,