diff --git a/qutebrowser/utils/debug.py b/qutebrowser/utils/debug.py
index 06bdd2909..2868d8390 100644
--- a/qutebrowser/utils/debug.py
+++ b/qutebrowser/utils/debug.py
@@ -87,10 +87,11 @@ def log_signals(obj):
             return ret
 
         obj.__init__ = new_init
-        return obj
     else:
         connect_log_slot(obj)
 
+    return obj
+
 
 def qenum_key(base, value, add_base=False, klass=None):
     """Convert a Qt Enum value to its key as a string.
diff --git a/tests/unit/mainwindow/statusbar/test_textbase.py b/tests/unit/mainwindow/statusbar/test_textbase.py
index c73a87831..9299e3a5f 100644
--- a/tests/unit/mainwindow/statusbar/test_textbase.py
+++ b/tests/unit/mainwindow/statusbar/test_textbase.py
@@ -63,7 +63,7 @@ def test_settext_empty(mocker, qtbot):
                  autospec=True)
 
     label.setText('')
-    label.repaint.assert_called_with()
+    label.repaint.assert_called_with()  # pylint: disable=no-member
 
 
 def test_resize(qtbot):
@@ -92,7 +92,7 @@ def test_text_elide_none(mocker, qtbot):
                  'fontMetrics')
     label._update_elided_text(20)
 
-    assert not label.fontMetrics.called
+    assert not label.fontMetrics.called  # pylint: disable=no-member
 
 
 def test_unset_text(qtbot):