Flake8 fixes

freqtrade/exchange/__init__.py

@@ -350,4 +350,3 @@ def get_fee(symbol='ETH/BTC', type='', side='', amount=1,
 
     return _API.calculate_fee(symbol=symbol, type=type, side=side, amount=amount,
                               price=price, takerOrMaker=taker_or_maker)['rate']
-

freqtrade/optimize/backtesting.py

@@ -6,13 +6,11 @@ This module contains the backtesting logic
 from argparse import Namespace
 from typing import Dict, Tuple, Any, List, Optional
 
-import ccxt
 import arrow
 from pandas import DataFrame, Series
 from tabulate import tabulate
 
 import freqtrade.optimize as optimize
-import freqtrade.exchange as exchange
 from freqtrade import exchange
 from freqtrade.analyze import Analyze
 from freqtrade.arguments import Arguments

freqtrade/tests/exchange/test_exchange.py

@@ -108,6 +108,7 @@ def test_validate_pairs_stake_exception(default_conf, mocker, caplog):
     ):
         validate_pairs(default_conf['exchange']['pair_whitelist'])
 
+
 def test_buy_dry_run(default_conf, mocker):
     default_conf['dry_run'] = True
     mocker.patch.dict('freqtrade.exchange._CONF', default_conf)
@@ -116,6 +117,7 @@ def test_buy_dry_run(default_conf, mocker):
     assert 'id' in order
     assert 'dry_run_buy_' in order['id']
 
+
 def test_buy_prod(default_conf, mocker):
     api_mock = MagicMock()
     order_id = 'test_prod_buy_{}'.format(randint(0, 10 ** 6))

freqtrade/tests/optimize/test_backtesting.py

@@ -16,7 +16,7 @@ from freqtrade import optimize
 from freqtrade.analyze import Analyze
 from freqtrade.arguments import Arguments
 from freqtrade.optimize.backtesting import Backtesting, start, setup_configuration
-from freqtrade.tests.conftest import default_conf, log_has
+from freqtrade.tests.conftest import log_has
 
 # Avoid to reinit the same object again and again
 _BACKTESTING = None
@@ -45,7 +45,8 @@ def trim_dictlist(dict_list, num):
 
 def load_data_test(what):
     timerange = ((None, 'line'), None, -100)
-    data = optimize.load_data(None, ticker_interval='1m', pairs=['UNITTEST/BTC'], timerange=timerange)
+    data = optimize.load_data(None, ticker_interval='1m',
+                              pairs=['UNITTEST/BTC'], timerange=timerange)
     pair = data['UNITTEST/BTC']
     datalen = len(pair)
     # Depending on the what parameter we now adjust the

freqtrade/tests/optimize/test_hyperopt.py

@@ -1,5 +1,4 @@
 # pragma pylint: disable=missing-docstring,W0212,C0103
-import json
 import os
 import signal
 from copy import deepcopy
@@ -25,7 +24,8 @@ def init_hyperopt(default_conf, mocker):
     global _HYPEROPT_INITIALIZED, _HYPEROPT
     if not _HYPEROPT_INITIALIZED:
         mocker.patch('freqtrade.exchange.validate_pairs', MagicMock(return_value=True))
-        mocker.patch('freqtrade.optimize.hyperopt.hyperopt_optimize_conf', MagicMock(return_value=default_conf))
+        mocker.patch('freqtrade.optimize.hyperopt.hyperopt_optimize_conf',
+                     MagicMock(return_value=default_conf))
         mocker.patch('freqtrade.exchange.validate_pairs', MagicMock())
         _HYPEROPT = Hyperopt(default_conf)
         _HYPEROPT_INITIALIZED = True
@@ -66,7 +66,8 @@ def test_start(mocker, default_conf, caplog) -> None:
     start_mock = MagicMock()
     mocker.patch('freqtrade.logger.Logger.set_format', MagicMock())
     mocker.patch('freqtrade.optimize.hyperopt.Hyperopt.start', start_mock)
-    mocker.patch('freqtrade.optimize.hyperopt.hyperopt_optimize_conf', MagicMock(return_value=default_conf))
+    mocker.patch('freqtrade.optimize.hyperopt.hyperopt_optimize_conf',
+                 MagicMock(return_value=default_conf))
     mocker.patch('freqtrade.freqtradebot.exchange.validate_pairs', MagicMock())
 
     args = [