Fix scikit_learn_data_processing_and_model_evaluation.ipynb (aws#3539)

* enable optional steps to avoid error being raised in scikit_learn_data_processing_and_model_evaluation.ipynb

* edit markdown

* reformat

sagemaker_processing/scikit_learn_data_processing_and_model_evaluation/scikit_learn_data_processing_and_model_evaluation.ipynb

@@ -461,14 +461,14 @@
     "from sagemaker.processing import FrameworkProcessor\n",
     "\n",
     "est_cls = sagemaker.sklearn.estimator.SKLearn\n",
-    "framework_version_str=\"0.20.0\"\n",
+    "framework_version_str = \"0.20.0\"\n",
     "\n",
     "script_processor = FrameworkProcessor(\n",
     "    role=role,\n",
     "    instance_count=1,\n",
     "    instance_type=\"ml.m5.xlarge\",\n",
     "    estimator_cls=est_cls,\n",
-    "    framework_version=framework_version_str\n",
+    "    framework_version=framework_version_str,\n",
     ")"
    ]
   },
@@ -542,8 +542,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "By default optional steps do not run automatically, set `run_optional_steps` to True if you want to \n",
-    "execute optional steps"
+    "By default optional steps run automatically, set `run_optional_steps` to False if you don't want to execute optional steps"
    ]
   },
   {
@@ -552,7 +551,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "run_optional_steps = False"
+    "run_optional_steps = True"
    ]
   },
   {
@@ -697,9 +696,9 @@
  "metadata": {
   "instance_type": "ml.t3.medium",
   "kernelspec": {
-   "display_name": "Python 3 (Data Science)",
+   "display_name": "conda_python3",
    "language": "python",
-   "name": "python3__SAGEMAKER_INTERNAL__arn:aws:sagemaker:us-east-1:081325390199:image/datascience-1.0"
+   "name": "conda_python3"
   },
   "language_info": {
    "codemirror_mode": {
@@ -711,7 +710,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.10"
+   "version": "3.6.13"
   }
  },
  "nbformat": 4,