adding workarounds for colab bugs

Author: atravitz

showcase/openfe_showcase.ipynb

@@ -86,14 +86,17 @@
     "# Only run this cell if on google colab\n",
     "import os\n",
     "if \"COLAB_RELEASE_TAG\" in os.environ:\n",
+    "    # fix for colab's torchvision causing issues\n",
+    "    !rm -r /usr/local/lib/python3.12/dist-packages/torchvision\n",
+    "    \n",
     "    !pip install -q condacolab\n",
     "    import condacolab\n",
     "    condacolab.install_from_url(\"https://github.com/OpenFreeEnergy/openfe/releases/download/v1.6.1/OpenFEforge-1.6.1-Linux-x86_64.sh\")"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": null,
    "id": "dlCARZ2_fAI4",
    "metadata": {
     "colab": {
@@ -114,6 +117,10 @@
     "    import locale\n",
     "    locale.getpreferredencoding = lambda: \"UTF-8\"\n",
     "    !mkdir inputs && cd inputs && openfe fetch rbfe-tutorial\n",
+    "    # quick fix for https://github.com/conda-incubator/condacolab/issues/75\n",
+    "    # if deprecation warnings persist, rerun this cell\n",
+    "    import warnings\n",
+    "    warnings.filterwarnings(action=\"ignore\", message=r\"datetime.datetime.utcnow\") \n",
     "    for _ in range(3):\n",
     "      # Sometimes we have to re-run the check\n",
     "      try:\n",