remove old imports, fix html

Author: Alvant

topicnet/demos/PostNauka-Recipe.ipynb

@@ -65,8 +65,6 @@
    "outputs": [],
    "source": [
     "from topicnet.dataset_manager import load_dataset\n",
-    "from topicnet.cooking_machine.config_parser import build_experiment_environment_from_yaml_config\n",
-    "from topicnet.cooking_machine.dataset import get_modality_vw\n",
     "from topicnet.cooking_machine.model_tracking import START\n",
     "from topicnet.cooking_machine.pretty_output import make_notebook_pretty\n",
     "from topicnet.cooking_machine.recipes import BaselineRecipe\n",
@@ -116,7 +114,7 @@
    "source": [
     "## Loading data<a id=\"data\"></a>\n",
     "\n",
-    "<div style=\"text-align: right\">Back to <a href=#contents>Contents</a></div"
+    "<div style=\"text-align: right\">Back to <a href=#contents>Contents</a></div>"
    ]
   },
   {