Improve login-mixin structure

tests/plugins/test_pairlist.py

@@ -102,14 +102,14 @@ def test_log_cached(mocker, static_pl_conf, markets, tickers):
     logmock = MagicMock()
     # Assign starting whitelist
     pl = freqtrade.pairlists._pairlist_handlers[0]
-    pl.log_once(logmock, 'Hello world')
+    pl.log_once('Hello world', logmock)
     assert logmock.call_count == 1
-    pl.log_once(logmock, 'Hello world')
+    pl.log_once('Hello world', logmock)
     assert logmock.call_count == 1
     assert pl._log_cache.currsize == 1
     assert ('Hello world',) in pl._log_cache._Cache__data
 
-    pl.log_once(logmock, 'Hello world2')
+    pl.log_once('Hello world2', logmock)
     assert logmock.call_count == 2
     assert pl._log_cache.currsize == 2
 

tests/plugins/test_protections.py

@@ -165,6 +165,7 @@ def test_LowProfitPairs(mocker, default_conf, fee, caplog):
     assert PairLocks.is_pair_locked('XRP/BTC')
     assert not PairLocks.is_global_lock()
 
+
 @pytest.mark.parametrize("protectionconf,desc_expected,exception_expected", [
     ({"method": "StoplossGuard", "lookback_period": 60, "trade_limit": 2},
      "[{'StoplossGuard': 'StoplossGuard - Frequent Stoploss Guard, "