diff --git a/qutebrowser/browser/webkit/downloads.py b/qutebrowser/browser/webkit/downloads.py
index ccabdae59..cc1fb6e4a 100644
--- a/qutebrowser/browser/webkit/downloads.py
+++ b/qutebrowser/browser/webkit/downloads.py
@@ -31,7 +31,7 @@ import collections
 
 import sip
 from PyQt5.QtCore import (pyqtSlot, pyqtSignal, QObject, QTimer,
-                          Qt, QVariant, QAbstractListModel, QModelIndex, QUrl)
+                          Qt, QAbstractListModel, QModelIndex, QUrl)
 from PyQt5.QtGui import QDesktopServices
 from PyQt5.QtNetwork import QNetworkRequest, QNetworkReply
 
@@ -384,7 +384,8 @@ class DownloadItem(QObject):
         q.text = msg
         q.mode = usertypes.PromptMode.yesno
         q.answered_yes.connect(self._create_fileobj)
-        q.answered_no.connect(functools.partial(self.cancel, remove_data=False))
+        q.answered_no.connect(functools.partial(self.cancel,
+                                                remove_data=False))
         q.cancelled.connect(functools.partial(self.cancel, remove_data=False))
         self.cancelled.connect(q.abort)
         self.error.connect(q.abort)
diff --git a/tests/end2end/features/test_downloads_bdd.py b/tests/end2end/features/test_downloads_bdd.py
index a267a005b..3ce6790bb 100644
--- a/tests/end2end/features/test_downloads_bdd.py
+++ b/tests/end2end/features/test_downloads_bdd.py
@@ -42,7 +42,7 @@ def temporary_download_dir(quteproc, tmpdir):
     quteproc.set_setting('storage', 'download-directory', str(tmpdir))
     (tmpdir / 'subdir').ensure(dir=True)
     try:
-        os.mkfifo(str(tmpdir /  'fifo'))
+        os.mkfifo(str(tmpdir / 'fifo'))
     except AttributeError:
         pass
     unwritable = tmpdir / 'unwritable'
@@ -108,13 +108,15 @@ def download_prompt(tmpdir, quteproc, path):
 
 @bdd.when("I open the download")
 def download_open(quteproc):
-    cmd = '{} -c "import sys; print(sys.argv[1])"'.format(shlex.quote(sys.executable))
+    cmd = '{} -c "import sys; print(sys.argv[1])"'.format(
+        shlex.quote(sys.executable))
     quteproc.send_cmd(':download-open {}'.format(cmd))
 
 
 @bdd.when("I open the download with a placeholder")
-def download_open(quteproc):
-    cmd = '{} -c "import sys; print(sys.argv[1])"'.format(shlex.quote(sys.executable))
+def download_open_placeholder(quteproc):
+    cmd = '{} -c "import sys; print(sys.argv[1])"'.format(
+        shlex.quote(sys.executable))
     quteproc.send_cmd(':download-open {} {{}}'.format(cmd))
 
 
diff --git a/tests/end2end/fixtures/webserver_sub.py b/tests/end2end/fixtures/webserver_sub.py
index bd5e92f85..791faf9c3 100644
--- a/tests/end2end/fixtures/webserver_sub.py
+++ b/tests/end2end/fixtures/webserver_sub.py
@@ -87,7 +87,6 @@ def redirect_later_continue():
 @app.route('/custom/content-size')
 def content_size():
     """Send two bytes of data without a content-size."""
-
     def generate_bytes():
         yield b'*'
         time.sleep(0.2)
@@ -103,7 +102,6 @@ def content_size():
 @app.route('/custom/twenty-mb')
 def twenty_mb():
     """Send 20MB of data."""
-
     def generate_bytes():
         yield b'*' * 20 * 1024 * 1024
 
diff --git a/tests/end2end/test_invocations.py b/tests/end2end/test_invocations.py
index dae273c8d..eade0b911 100644
--- a/tests/end2end/test_invocations.py
+++ b/tests/end2end/test_invocations.py
@@ -119,7 +119,7 @@ def test_ascii_locale(request, httpbin, tmpdir, quteproc_new):
 @pytest.mark.linux
 def test_misconfigured_user_dirs(request, httpbin, temp_basedir_env,
                                  tmpdir, quteproc_new):
-    """Test downloads with a misconfigured XDG_DOWNLOAD_DIR
+    """Test downloads with a misconfigured XDG_DOWNLOAD_DIR.
 
     https://github.com/The-Compiler/qutebrowser/issues/866
     https://github.com/The-Compiler/qutebrowser/issues/1269
diff --git a/tests/unit/browser/webkit/test_downloads.py b/tests/unit/browser/webkit/test_downloads.py
index 90871b9a0..c22e6fcf1 100644
--- a/tests/unit/browser/webkit/test_downloads.py
+++ b/tests/unit/browser/webkit/test_downloads.py
@@ -18,8 +18,6 @@
 # along with qutebrowser.  If not, see <http://www.gnu.org/licenses/>.
 
 
-from PyQt5.QtCore import QUrl
-
 from qutebrowser.browser.webkit import downloads