fix streaming

Author: aaravnavani

docs/how_to_guides/streaming.ipynb

@@ -28,6 +28,23 @@
     "### 1. For structured JSON output\n"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### Install validators from Guardrails Hub\n",
+    "\n",
+    "We first have to install the necessary validators from Guardrails Hub: \n",
+    "\n",
+    "1. ValidRange: ```guardrails hub install hub://guardrails/valid_range```\n",
+    "\n",
+    "2. UpperCase: ```guardrails hub install hub://guardrails/uppercase```\n",
+    "\n",
+    "3. LowerCase: ```guardrails hub install hub://guardrails/lowercase```\n",
+    "\n",
+    "4. OneLine: ```guardrails hub install hub://guardrails/one_line```"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -42,13 +59,8 @@
    "outputs": [],
    "source": [
     "from pydantic import BaseModel, Field\n",
+    "from guardrails.hub import LowerCase, UpperCase, ValidRange, OneLine\n",
     "from typing import List\n",
-    "from guardrails.validators import (\n",
-    "    ValidRange,\n",
-    "    UpperCase,\n",
-    "    LowerCase,\n",
-    "    OneLine,\n",
-    ")\n",
     "\n",
     "prompt = \"\"\"\n",
     "Given the following doctor's notes about a patient, please extract a dictionary that contains the patient's information.\n",
@@ -982,6 +994,19 @@
     "### 2. For unstructured text output\n"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### Install validators from Guardrails Hub\n",
+    "\n",
+    "We first have to install the necessary validators from Guardrails Hub: \n",
+    "\n",
+    "1. UpperCase: ```guardrails hub install hub://guardrails/uppercase```\n",
+    "\n",
+    "2. OneLine: ```guardrails hub install hub://guardrails/one_line```"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -995,8 +1020,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from guardrails.validators import UpperCase, OneLine\n",
-    "\n",
+    "from guardrails.hub import UpperCase, OneLine\n",
     "prompt = \"\"\"\n",
     "Generate a short description of large language models. Each new sentence should be on another line.\n",
     "\"\"\"\n",