add validators from hub

Author: aaravnavani

docs/examples/bug_free_python_code.ipynb

@@ -23,6 +23,11 @@
     "\n",
     "In short, we want to make sure that the code can be executed without any errors.\n",
     "\n",
+    "## Step 0: Install the necessary validators from Guardrails Hub\n",
+    "\n",
+    "We first have to install the ```ValidPython``` validator from Guardrails Hub:\n",
+    "\n",
+    "```guardrails hub install hub://reflex/valid_python```\n",
     "\n",
     "## Step 1: Generating `RAIL` Spec\n",
     "\n",
@@ -80,7 +85,7 @@
    "outputs": [],
    "source": [
     "from pydantic import BaseModel, Field\n",
-    "from guardrails.validators import BugFreePython\n",
+    "from guardrails.hub import ValidPython\n",
     "\n",
     "prompt = \"\"\"\n",
     "Given the following high level leetcode problem description, write a short Python code snippet that solves the problem.\n",
@@ -91,7 +96,7 @@
     "${gr.complete_json_suffix}\"\"\"\n",
     "\n",
     "class BugFreePythonCode(BaseModel):\n",
-    "    python_code: str = Field(validators=[BugFreePython(on_fail=\"reask\")])\n",
+    "    python_code: str = Field(validators=[ValidPython(on_fail=\"reask\")])\n",
     "\n",
     "    class Config:\n",
     "        arbitrary_types_allowed = True"

docs/how_to_guides/streaming.ipynb

@@ -1021,6 +1021,7 @@
    "outputs": [],
    "source": [
     "from guardrails.hub import UpperCase, OneLine\n",
+    "\n",
     "prompt = \"\"\"\n",
     "Generate a short description of large language models. Each new sentence should be on another line.\n",
     "\"\"\"\n",

docs/how_to_guides/telemetry.mdx

@@ -41,13 +41,17 @@ OTEL_EXPORTER_OTLP_HEADERS
 
 ### Setup a Guard with Telemetry
 
-First, set up your Guard the default tracer provided in the guardrails library. You can still use your desired validators
+We first have to install the ```ValidLength``` guardrail from Guardrails Hub.
+
+```guardrails hub install hub://guardrails/valid_length```
+
+Then, set up your Guard the default tracer provided in the guardrails library. You can still use your desired validators
 
 <h5 a><strong><code>main.py</code></strong></h5>
 ```python
 from guardrails import Guard
 from guardrails.utils.telemetry_utils import default_otlp_tracer
-from guardrails.validators import ValidLength
+from guardrails.hub import ValidLength
 import openai
 
 guard = Guard.from_string(