diff --git a/dvc/external_repo.py b/dvc/external_repo.py
index b57f5cd80..4081ee25f 100644
--- a/dvc/external_repo.py
+++ b/dvc/external_repo.py
@@ -4,8 +4,8 @@ import os
 import tempfile
 from distutils.dir_util import copy_tree
 
-from funcy import retry
 from contextlib import contextmanager
+from funcy import retry
 
 from dvc.utils import remove
 
diff --git a/dvc/remote/base.py b/dvc/remote/base.py
index 625a5a233..ca95a4e19 100644
--- a/dvc/remote/base.py
+++ b/dvc/remote/base.py
@@ -1,17 +1,17 @@
 from __future__ import unicode_literals
 
-from dvc.ignore import DvcIgnore
-from dvc.utils.compat import str, basestring, urlparse, FileNotFoundError
-
+from operator import itemgetter
+from multiprocessing import cpu_count
 import json
 import logging
 import tempfile
 import itertools
-from operator import itemgetter
-from multiprocessing import cpu_count
 from functools import partial
 from concurrent.futures import ThreadPoolExecutor
 from copy import copy
+
+from dvc.ignore import DvcIgnore
+from dvc.utils.compat import str, basestring, urlparse, FileNotFoundError
 from dvc.remote.slow_link_detection import slow_link_guard
 
 import dvc.prompt as prompt
@@ -27,16 +27,13 @@ from dvc.state import StateNoop
 from dvc.path_info import PathInfo, URLInfo
 from dvc.utils.http import open_url
 
-
 logger = logging.getLogger(__name__)
 
-
 STATUS_OK = 1
 STATUS_MISSING = 2
 STATUS_NEW = 3
 STATUS_DELETED = 4
 
-
 STATUS_MAP = {
     # (local_exists, remote_exists)
     (True, True): STATUS_OK,
diff --git a/dvc/remote/http.py b/dvc/remote/http.py
index 5ff067e09..07636f017 100644
--- a/dvc/remote/http.py
+++ b/dvc/remote/http.py
@@ -1,10 +1,9 @@
 from __future__ import unicode_literals
 
+import logging
 from dvc.scheme import Schemes
 from dvc.utils.compat import open
 
-import logging
-
 from dvc.progress import Tqdm
 from dvc.exceptions import DvcException
 from dvc.config import Config, ConfigError