From 8fb3d91f561e2a286a7fda13291eda16613dac39 Mon Sep 17 00:00:00 2001
From: Casper da Costa-Luis <tqdm@cdcl.ml>
Date: Sat, 3 Sep 2022 10:09:37 +0100
Subject: [PATCH] fix ipywidgets>=8 display

---
 tests_notebook.ipynb | 11 +++++++----
 tqdm/notebook.py     |  1 +
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/tests_notebook.ipynb b/tests_notebook.ipynb
index fb8227d7..1eec5cae 100644
--- a/tests_notebook.ipynb
+++ b/tests_notebook.ipynb
@@ -312,15 +312,18 @@
    ],
    "source": [
     "# NBVAL_TEST_NAME: leave\n",
-    "assert (False, None) != (getattr(t.container, \"visible\", False), getattr(t.container, \"_ipython_display_\", None))\n",
+    "def is_hidden(widget):\n",
+    "    return ('hidden', False, None) == (\n",
+    "        getattr(getattr(widget, \"layout\", None), \"visibility\", 'visible'), # ipyw>=8\n",
+    "        getattr(widget, \"visible\", False), getattr(widget, \"_ipython_display_\", None)) # ipyw<8\n",
+    "\n",
+    "assert not is_hidden(t.container)\n",
     "for total in (1, 9):\n",
     "    with tqdm(total=total, leave=False) as t:\n",
     "        print(t)\n",
     "        t.update()\n",
     "        print(t)\n",
-    "    assert total != 1 or (False, None) == (\n",
-    "        getattr(t.container, \"visible\", False), getattr(t.container, \"_ipython_display_\", None)\n",
-    "    )"
+    "    assert total != 1 or is_hidden(t.container)"
    ]
   },
   {
diff --git a/tqdm/notebook.py b/tqdm/notebook.py
index 3565815a..ffd09478 100644
--- a/tqdm/notebook.py
+++ b/tqdm/notebook.py
@@ -192,6 +192,7 @@ class tqdm_notebook(std_tqdm):
                 self.container.close()
             except AttributeError:
                 self.container.visible = False
+            self.container.layout.visibility = 'hidden'  # IPYW>=8
 
         if check_delay and self.delay > 0 and not self.displayed:
             display(self.container)