Removed "is not None"

https://stackoverflow.com/users/566644/lauritz-v-thaulow

freqtrade\configuration\configuration.py:461 reduced checks

freqtrade\persistence\trade_model.py:fee_updated - reduced code

tests/exchange/test_ccxt_compat.py

@@ -173,12 +173,12 @@ class TestCCXTExchange():
         tickers = exchange.get_tickers()
         assert pair in tickers
         assert 'ask' in tickers[pair]
-        assert tickers[pair]['ask'] is not None
+        assert tickers[pair]['ask']
         assert 'bid' in tickers[pair]
-        assert tickers[pair]['bid'] is not None
+        assert tickers[pair]['bid']
         assert 'quoteVolume' in tickers[pair]
         if EXCHANGES[exchangename].get('hasQuoteVolume'):
-            assert tickers[pair]['quoteVolume'] is not None
+            assert tickers[pair]['quoteVolume']
 
     def test_ccxt_fetch_ticker(self, exchange):
         exchange, exchangename = exchange
@@ -186,12 +186,12 @@ class TestCCXTExchange():
 
         ticker = exchange.fetch_ticker(pair)
         assert 'ask' in ticker
-        assert ticker['ask'] is not None
+        assert ticker['ask']
         assert 'bid' in ticker
-        assert ticker['bid'] is not None
+        assert ticker['bid']
         assert 'quoteVolume' in ticker
         if EXCHANGES[exchangename].get('hasQuoteVolume'):
-            assert ticker['quoteVolume'] is not None
+            assert ticker['quoteVolume']
 
     def test_ccxt_fetch_l2_orderbook(self, exchange):
         exchange, exchangename = exchange

tests/exchange/test_exchange.py

@@ -2384,7 +2384,7 @@ def test_get_exit_rate(default_conf, mocker, caplog, side, bid, ask,
     caplog.set_level(logging.DEBUG)
 
     default_conf['exit_pricing']['price_side'] = side
-    if last_ab is not None:
+    if last_ab:
         default_conf['exit_pricing']['price_last_balance'] = last_ab
     mocker.patch('freqtrade.exchange.Exchange.fetch_ticker',
                  return_value={'ask': ask, 'bid': bid, 'last': last})

tests/exchange/test_kucoin.py

@@ -40,7 +40,7 @@ def test_stoploss_order_kucoin(default_conf, mocker, limitratio, expected, side,
 
     api_mock.create_order.reset_mock()
     order_types = {'stoploss': order_type}
-    if limitratio is not None:
+    if limitratio:
         order_types.update({'stoploss_on_exchange_limit_ratio': limitratio})
     order = exchange.stoploss(pair='ETH/BTC', amount=1, stop_price=220,
                               order_types=order_types, side=side, leverage=1.0)