bug with bm25 query

bm25bug.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "from weaviate import Client\n",
    "import weaviate"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'3.15.2'"
      ]
     },
     "execution_count": 2,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "weaviate.__version__"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "client = Client(\"http://weaviate:8080\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [],
   "source": [
    "client.schema.create_class({\n",
    "    \"class\": \"Book\",\n",
    "    \"description\": \"A book\",\n",
    "    \"properties\": [\n",
    "        {\n",
    "            \"name\": \"title\",\n",
    "            \"dataType\": [\"string\"],\n",
    "            \"description\": \"The title of the book\"\n",
    "        },\n",
    "        {\n",
    "            \"name\": \"author\",\n",
    "            \"dataType\": [\"string\"],\n",
    "            \"description\": \"The author of the book\"\n",
    "        },\n",
    "        {\n",
    "            \"name\": \"text\",\n",
    "            \"dataType\": [\"string\"],\n",
    "            \"description\": \"The text of the book\"\n",
    "        }\n",
    "    ]\n",
    "})"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "{Get{Book(bm25:{query: \"{'query': 'hello world', 'properties': ['text']}\"}){title author}}}\n"
     ]
    }
   ],
   "source": [
    "bm25 = {\n",
    "    \"query\": \"hello world\",\n",
    "    \"properties\": [\"text\"]\n",
    "}\n",
    "\n",
    "query = client.query.get(\"Book\", [\"title\", \"author\"]).with_bm25(bm25).build()\n",
    "print(query)"
   ]
  }
 ],
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