Clean up pip install commands in example colab

PiperOrigin-RevId: 449235076

Author: Responsible ML Infra

g3doc/tutorials/Facessd_Fairness_Indicators_Example_Colab.ipynb

@@ -106,8 +106,9 @@
       },
       "outputs": [],
       "source": [
-        "!pip install -q -U pip==20.2\n",
-        "!pip install fairness-indicators"
+        "!pip install apache_beam\n",
+        "!pip install fairness-indicators\n",
+        "!pip install witwidget\n"
       ]
     },
     {
@@ -327,7 +328,7 @@
         "  filtered_data = (\n",
         "      data\n",
         "      | 'Filter Missing Gender' \u003e\u003e beam.ParDo(filter_missing_gender))\n",
-        "  \n",
+        "\n",
         "  # Count after filtering \"Gender:MISSING\".\n",
         "  filtered_data_count = (\n",
         "      filtered_data | 'Count number of examples after filtering'\n",