free-text python annotation confidence fixes (#1139)

Author: ovalle15

examples/prediction_upload/html_predictions.ipynb

@@ -242,13 +242,14 @@
         "# Python annotation\n",
         "text_prediction = lb_types.ClassificationAnnotation(\n",
         "    name = \"free_text\", \n",
-        "    value = lb_types.Text(answer=\"sample text\")\n",
+        "    value = lb_types.Text(answer=\"sample text\", confidence=0.5)\n",
         ")\n",
         "\n",
         "#  NDJSON\n",
         "text_prediction_ndjson = {\n",
         "  \"name\": \"free_text\",\n",
-        "  \"answer\": \"sample text\"\n",
+        "  \"answer\": \"sample text\",\n",
+        "  \"confidence\": 0.5\n",
         "}"
       ],
       "cell_type": "code",

examples/prediction_upload/image_predictions.ipynb

@@ -379,8 +379,7 @@
         "# Python annotation\n",
         "text_annotation = lb_types.ClassificationAnnotation(\n",
         "  name=\"free_text\", \n",
-        "  confidence=0.5,\n",
-        "  value=lb_types.Text(answer=\"sample text\")\n",
+        "  value=lb_types.Text(answer=\"sample text\", confidence=0.5)\n",
         ")\n",
         "\n",
         "# NDJSON\n",

examples/prediction_upload/text_predictions.ipynb

@@ -276,8 +276,7 @@
         "# Python annotation\n",
         "text_prediction = lb_types.ClassificationAnnotation(\n",
         "    name = \"free_text\", \n",
-        "    confidence=0.5,\n",
-        "    value = lb_types.Text(answer=\"sample text\")\n",
+        "    value = lb_types.Text(answer=\"sample text\", confidence=0.5)\n",
         ")\n",
         "\n",
         "#  NDJSON\n",