Fix line length and test for None.

Author: Stephen Aylward

nvidia_nims/vista_3d_remote_nim.ipynb

@@ -193,9 +193,7 @@
     "    minv = input_image_arr.min()\n",
     "    maxv = input_image_arr.max()\n",
     "    if minv < -1024 or maxv > 3071:\n",
-    "        print(\n",
-    "            \"WARNING: The input image should have Hounsfield Units in the range [-1024, 3071].  Performance will be degraded.\"\n",
-    "        )\n",
+    "        print(\"WARNING: Input image intensities should within [-1024, 3071].  Performance will be degraded.\")\n",
     "        print(\"    The input image has Hounsfield Units in the range:\", [minv, maxv])\n",
     "\n",
     "    # Post the image to file.io and get the link\n",
@@ -275,7 +273,7 @@
    "source": [
     "input_image_filename = None\n",
     "\n",
-    "if input_image_filename == None:\n",
+    "if input_image_filename is None:\n",
     "    monai_data_directory = os.environ.get(\"MONAI_DATA_DIRECTORY\")\n",
     "    if monai_data_directory is not None:\n",
     "        os.makedirs(monai_data_directory, exist_ok=True)\n",
@@ -370,12 +368,12 @@
     {
      "data": {
       "application/vnd.jupyter.widget-view+json": {
-       "model_id": "5bea8bd791b34f96a2b72f9ccf2a5756",
+       "model_id": "eaba90efeb4d443183845e91f2e9fe16",
        "version_major": 2,
        "version_minor": 0
       },
       "text/plain": [
-       "Widget(value='<iframe src=\"http://localhost:61896/index.html?ui=P_0x21780090a00_0&reconnect=auto\" class=\"pyvis…"
+       "Widget(value='<iframe src=\"http://localhost:57016/index.html?ui=P_0x24afb46b280_0&reconnect=auto\" class=\"pyvis…"
       ]
      },
      "metadata": {},
@@ -404,12 +402,12 @@
     {
      "data": {
       "application/vnd.jupyter.widget-view+json": {
-       "model_id": "13f32fea76f04375b27bc4006e784157",
+       "model_id": "f3c1a23351464d049d33f7aa15395faf",
        "version_major": 2,
        "version_minor": 0
       },
       "text/plain": [
-       "Widget(value='<iframe src=\"http://localhost:61896/index.html?ui=P_0x21786e637c0_1&reconnect=auto\" class=\"pyvis…"
+       "Widget(value='<iframe src=\"http://localhost:57016/index.html?ui=P_0x24a8d5a76d0_1&reconnect=auto\" class=\"pyvis…"
       ]
      },
      "metadata": {},