Hotfixs for python 3.10

See: tensorflow/tensorboard#5478

Author: Yunqi Shao

notebooks/7_pinn.ipynb

@@ -58,11 +58,13 @@
     "import warnings, logging\n",
     "logging.getLogger(\"tensorflow\").setLevel(logging.ERROR)\n",
     "warnings.filterwarnings('ignore', 'Converting sparse IndexedSlices')\n",
-    "!pip install tensorflow==2.7\n",
+    "!pip install tensorflow==2.8\n",
     "!pip install tensorboard==2.4\n",
     "!pip install --quiet git+https://github.com/yqshao/PiNN.git@TF2\n",
     "!pip install --quiet git+https://github.com/yqshao/PiNNboard.git@TF2\n",
-    "!wget -nv https://raw.githubusercontent.com/yqshao/PiNNLab/master/resources/qm9_{train,test}.{yml,tfr}"
+    "!wget -nv https://raw.githubusercontent.com/yqshao/PiNNLab/master/resources/qm9_{train,test}.{yml,tfr}\n",
+    "!sed -i s/from\\ collections\\ import/from\\ collections.abc\\ import/g /usr/local/lib/python3.10/dist-packages/tensorboard/_vendor/html5lib/_trie/_base.py\n",
+    "# ^ hotfix for https://github.com/tensorflow/tensorboard/issues/5478"
    ]
   },
   {