diff --git a/qt/aqt/browser.py b/qt/aqt/browser.py
index 277627698..ea2b7657d 100644
--- a/qt/aqt/browser.py
+++ b/qt/aqt/browser.py
@@ -1503,7 +1503,7 @@ border: 1px solid #000; padding: 3px; '>%s</div>"""
 
             s += ("<td align=right>%s</td>" * 2) % (
                 "%d%%" % (factor / 10) if factor else "",
-                self.col.backend.format_time_span(taken)
+                self.col.backend.format_time_span(taken),
             ) + "</tr>"
         s += "</table>"
         if cnt < self.card.reps:
@@ -1775,7 +1775,6 @@ where id in %s"""
             else:
                 av_player.maybe_interrupt()
 
-
                 txt = self.mw.prepare_card_text_for_display(txt)
             txt = gui_hooks.card_will_show(
                 txt, c, "preview" + self._previewState.capitalize()
diff --git a/qt/aqt/exporting.py b/qt/aqt/exporting.py
index 2e11aac84..8b6657f8d 100644
--- a/qt/aqt/exporting.py
+++ b/qt/aqt/exporting.py
@@ -17,7 +17,12 @@ from aqt.utils import checkInvalidFilename, getSaveFile, showWarning, tooltip
 
 
 class ExportDialog(QDialog):
-    def __init__(self, mw: aqt.main.AnkiQt, did: Optional[int] = None, cids: Optional[List[int]] = None):
+    def __init__(
+        self,
+        mw: aqt.main.AnkiQt,
+        did: Optional[int] = None,
+        cids: Optional[List[int]] = None,
+    ):
         QDialog.__init__(self, mw, Qt.Window)
         self.mw = mw
         self.col = mw.col