diff --git a/tests/studio/playwright_chat_ime_i18n.py b/tests/studio/playwright_chat_ime_i18n.py
index afc089b473..7e843ac58f 100644
--- a/tests/studio/playwright_chat_ime_i18n.py
+++ b/tests/studio/playwright_chat_ime_i18n.py
@@ -472,9 +472,7 @@ with sync_playwright() as p:
             )
     after_value = read_value()
     if "你好" not in after_value:
-        soft_fail(
-            f"compositionend-watchdog repro lost committed text: {after_value!r}"
-        )
+        soft_fail(f"compositionend-watchdog repro lost committed text: {after_value!r}")
     shoot("06b-compositionend-watchdog")
     info("compositionend watchdog recovery PASS")
     clear()
diff --git a/tests/studio/test_composer_rtl_bidi_attribute.py b/tests/studio/test_composer_rtl_bidi_attribute.py
index 588bc38b3f..591e731b0f 100644
--- a/tests/studio/test_composer_rtl_bidi_attribute.py
+++ b/tests/studio/test_composer_rtl_bidi_attribute.py
@@ -80,8 +80,7 @@ def test_main_composer_has_stuck_compositionend_watchdog():
     forever and CJK input is effectively dropped."""
     src = THREAD_TSX.read_text()
     assert "IME_STUCK_TIMEOUT_MS" in src, (
-        "main composer is missing the stuck-compositionend watchdog "
-        "(issue #5546)"
+        "main composer is missing the stuck-compositionend watchdog " "(issue #5546)"
     )
     assert "onCompositionUpdate" in src, (
         "main composer is missing onCompositionUpdate wiring; the "
@@ -92,9 +91,8 @@ def test_main_composer_has_stuck_compositionend_watchdog():
 def test_compare_composer_has_stuck_compositionend_watchdog():
     src = SHARED_TSX.read_text()
     assert "IME_STUCK_TIMEOUT_MS" in src, (
-        "compare composer is missing the stuck-compositionend watchdog "
-        "(issue #5546)"
-    )
-    assert "onCompositionUpdate" in src, (
-        "compare composer is missing onCompositionUpdate wiring"
+        "compare composer is missing the stuck-compositionend watchdog " "(issue #5546)"
     )
+    assert (
+        "onCompositionUpdate" in src
+    ), "compare composer is missing onCompositionUpdate wiring"