diff --git a/freqtrade/tests/optimize/test_optimize.py b/freqtrade/tests/optimize/test_optimize.py
index 02b675cf9..22bffc1ff 100644
--- a/freqtrade/tests/optimize/test_optimize.py
+++ b/freqtrade/tests/optimize/test_optimize.py
@@ -2,7 +2,6 @@
 
 import os
 import logging
-# from unittest.mock import MagicMock
 from shutil import copyfile
 from freqtrade import exchange, optimize
 from freqtrade.exchange import Bittrex
diff --git a/freqtrade/tests/test_analyze.py b/freqtrade/tests/test_analyze.py
index f77a2d71a..516bb3607 100644
--- a/freqtrade/tests/test_analyze.py
+++ b/freqtrade/tests/test_analyze.py
@@ -1,13 +1,13 @@
 # pragma pylint: disable=missing-docstring,W0621
+import datetime
 import json
 from unittest.mock import MagicMock
-import freqtrade.tests.conftest as tt  # test tools
 
 import arrow
-import datetime
 import pytest
 from pandas import DataFrame
 
+import freqtrade.tests.conftest as tt  # test tools
 from freqtrade.analyze import (get_signal, parse_ticker_dataframe,
                                populate_buy_trend, populate_indicators,
                                populate_sell_trend)
diff --git a/freqtrade/tests/test_main.py b/freqtrade/tests/test_main.py
index 225f5e28c..0c9e594a2 100644
--- a/freqtrade/tests/test_main.py
+++ b/freqtrade/tests/test_main.py
@@ -2,7 +2,6 @@
 import copy
 import logging
 from unittest.mock import MagicMock
-import freqtrade.tests.conftest as tt  # test tools
 
 import arrow
 import pytest
@@ -10,6 +9,7 @@ import requests
 from sqlalchemy import create_engine
 
 import freqtrade.main as main
+import freqtrade.tests.conftest as tt  # test tools
 from freqtrade import DependencyException, OperationalException
 from freqtrade.exchange import Exchanges
 from freqtrade.main import (_process, check_handle_timedout, create_trade,
diff --git a/freqtrade/tests/test_misc.py b/freqtrade/tests/test_misc.py
index fb768b89c..52a8c3991 100644
--- a/freqtrade/tests/test_misc.py
+++ b/freqtrade/tests/test_misc.py
@@ -3,13 +3,13 @@ import argparse
 import json
 import time
 from copy import deepcopy
+from unittest.mock import MagicMock
 
 import pytest
-from unittest.mock import MagicMock
 from jsonschema import ValidationError
 
-from freqtrade.misc import (common_args_parser, load_config, parse_args,
-                            throttle, file_dump_json, parse_timerange)
+from freqtrade.misc import (common_args_parser, file_dump_json, load_config,
+                            parse_args, parse_timerange, throttle)
 
 
 def test_throttle():