NeoJ.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "78998637",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\u001b[31mERROR: Could not open requirements file: [Errno 2] No such file or directory: 'requirements.txt'\u001b[0m\n",
      "\u001b[33mWARNING: You are using pip version 21.3.1; however, version 22.3.1 is available.\n",
      "You should consider upgrading via the '/Library/Frameworks/Python.framework/Versions/3.9/bin/python3 -m pip install --upgrade pip' command.\u001b[0m\n",
      "Note: you may need to restart the kernel to use updated packages.\n"
     ]
    }
   ],
   "source": [
    "pip install -r requirements.txt"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "204f2387",
   "metadata": {},
   "outputs": [
    {
     "ename": "ConnectionUnavailable",
     "evalue": "Cannot open connection to ConnectionProfile('bolt://localhost:7687')",
     "output_type": "error",
     "traceback": [
      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[0;31mIndexError\u001b[0m                                Traceback (most recent call last)",
      "\u001b[0;32m/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/py2neo/client/__init__.py\u001b[0m in \u001b[0;36macquire\u001b[0;34m(self, force_reset, can_overfill)\u001b[0m\n\u001b[1;32m    805\u001b[0m                 \u001b[0;31m# Plan A: select a free connection from the pool\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 806\u001b[0;31m                 \u001b[0mcx\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_free_list\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mpopleft\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    807\u001b[0m             \u001b[0;32mexcept\u001b[0m \u001b[0mIndexError\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;31mIndexError\u001b[0m: pop from an empty deque",
      "\nDuring handling of the above exception, another exception occurred:\n",
      "\u001b[0;31mConnectionRefusedError\u001b[0m                    Traceback (most recent call last)",
      "\u001b[0;32m/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/py2neo/wiring.py\u001b[0m in \u001b[0;36mopen\u001b[0;34m(cls, address, timeout, keep_alive, on_broken)\u001b[0m\n\u001b[1;32m     61\u001b[0m         \u001b[0;32mtry\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m---> 62\u001b[0;31m             \u001b[0ms\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mconnect\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0maddress\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m     63\u001b[0m         \u001b[0;32mexcept\u001b[0m \u001b[0;34m(\u001b[0m\u001b[0mIOError\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mOSError\u001b[0m\u001b[0;34m)\u001b[0m \u001b[0;32mas\u001b[0m \u001b[0merror\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;31mConnectionRefusedError\u001b[0m: [Errno 61] Connection refused",
      "\nThe above exception was the direct cause of the following exception:\n",
      "\u001b[0;31mWireError\u001b[0m                                 Traceback (most recent call last)",
      "\u001b[0;32m/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/py2neo/client/bolt.py\u001b[0m in \u001b[0;36mopen\u001b[0;34m(cls, profile, user_agent, on_release, on_broken)\u001b[0m\n\u001b[1;32m    354\u001b[0m         \u001b[0;32mtry\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 355\u001b[0;31m             \u001b[0mwire\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mcls\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_connect\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mprofile\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mon_broken\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0mon_broken\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    356\u001b[0m             \u001b[0mprotocol_version\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mcls\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_handshake\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mwire\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;32m/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/py2neo/client/bolt.py\u001b[0m in \u001b[0;36m_connect\u001b[0;34m(cls, profile, on_broken)\u001b[0m\n\u001b[1;32m    368\u001b[0m         \u001b[0mlog\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mdebug\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m\"[#%04X] C: (Dialing <%s>)\"\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;36m0\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mprofile\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0maddress\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 369\u001b[0;31m         \u001b[0mwire\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mWire\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mopen\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mprofile\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0maddress\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mkeep_alive\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0;32mTrue\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mon_broken\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0mon_broken\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    370\u001b[0m         \u001b[0mlocal_port\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mwire\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mlocal_address\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mport_number\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;32m/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/py2neo/wiring.py\u001b[0m in \u001b[0;36mopen\u001b[0;34m(cls, address, timeout, keep_alive, on_broken)\u001b[0m\n\u001b[1;32m     63\u001b[0m         \u001b[0;32mexcept\u001b[0m \u001b[0;34m(\u001b[0m\u001b[0mIOError\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mOSError\u001b[0m\u001b[0;34m)\u001b[0m \u001b[0;32mas\u001b[0m \u001b[0merror\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m---> 64\u001b[0;31m             \u001b[0mraise_from\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mWireError\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m\"Cannot connect to %r\"\u001b[0m \u001b[0;34m%\u001b[0m \u001b[0;34m(\u001b[0m\u001b[0maddress\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0merror\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m     65\u001b[0m         \u001b[0;32mreturn\u001b[0m \u001b[0mcls\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0ms\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mon_broken\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0mon_broken\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;32m/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/six.py\u001b[0m in \u001b[0;36mraise_from\u001b[0;34m(value, from_value)\u001b[0m\n",
      "\u001b[0;31mWireError\u001b[0m: Cannot connect to IPv4Address(('localhost', 7687))",
      "\nThe above exception was the direct cause of the following exception:\n",
      "\u001b[0;31mConnectionUnavailable\u001b[0m                     Traceback (most recent call last)",
      "\u001b[0;32m/var/folders/m3/8dqdsjld0q7bb_84k7_vv_k80000gn/T/ipykernel_1336/500536770.py\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[1;32m      1\u001b[0m \u001b[0;32mfrom\u001b[0m \u001b[0mpy2neo\u001b[0m \u001b[0;32mimport\u001b[0m \u001b[0mGraph\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m      2\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 3\u001b[0;31m \u001b[0mgraph\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mGraph\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
      "\u001b[0;32m/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/py2neo/database.py\u001b[0m in \u001b[0;36m__init__\u001b[0;34m(self, profile, name, **settings)\u001b[0m\n\u001b[1;32m    286\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    287\u001b[0m     \u001b[0;32mdef\u001b[0m \u001b[0m__init__\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mprofile\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0;32mNone\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mname\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0;32mNone\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m**\u001b[0m\u001b[0msettings\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 288\u001b[0;31m         \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mservice\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mGraphService\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mprofile\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m**\u001b[0m\u001b[0msettings\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    289\u001b[0m         \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m__name__\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mname\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    290\u001b[0m         \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mschema\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mSchema\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;32m/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/py2neo/database.py\u001b[0m in \u001b[0;36m__init__\u001b[0;34m(self, profile, **settings)\u001b[0m\n\u001b[1;32m    117\u001b[0m             \u001b[0;31m# Ensures credentials are checked on construction\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    118\u001b[0m             \u001b[0mconnector_settings\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;34m\"init_size\"\u001b[0m\u001b[0;34m]\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;36m1\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 119\u001b[0;31m         \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_connector\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mConnector\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mprofile\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m**\u001b[0m\u001b[0mconnector_settings\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    120\u001b[0m         \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_graphs\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;34m{\u001b[0m\u001b[0;34m}\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    121\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;32m/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/py2neo/client/__init__.py\u001b[0m in \u001b[0;36m__init__\u001b[0;34m(self, profile, user_agent, init_size, max_size, max_age, routing_refresh_ttl)\u001b[0m\n\u001b[1;32m    958\u001b[0m         \u001b[0;32melse\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    959\u001b[0m             \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_router\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;32mNone\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 960\u001b[0;31m         \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_add_pools\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m*\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_initial_routers\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    961\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    962\u001b[0m     \u001b[0;32mdef\u001b[0m \u001b[0m__repr__\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;32m/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/py2neo/client/__init__.py\u001b[0m in \u001b[0;36m_add_pools\u001b[0;34m(self, *profiles)\u001b[0m\n\u001b[1;32m    980\u001b[0m                 \u001b[0;32mcontinue\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    981\u001b[0m             \u001b[0mlog\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mdebug\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m\"Adding connection pool for profile %r\"\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mprofile\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 982\u001b[0;31m             pool = ConnectionPool.open(\n\u001b[0m\u001b[1;32m    983\u001b[0m                 \u001b[0mprofile\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    984\u001b[0m                 \u001b[0muser_agent\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_user_agent\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;32m/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/py2neo/client/__init__.py\u001b[0m in \u001b[0;36mopen\u001b[0;34m(cls, profile, user_agent, init_size, max_size, max_age, on_broken)\u001b[0m\n\u001b[1;32m    647\u001b[0m         \"\"\"\n\u001b[1;32m    648\u001b[0m         \u001b[0mpool\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mcls\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mprofile\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0muser_agent\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mmax_size\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mmax_age\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mon_broken\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 649\u001b[0;31m         \u001b[0mseeds\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;34m[\u001b[0m\u001b[0mpool\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0macquire\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m \u001b[0;32mfor\u001b[0m \u001b[0m_\u001b[0m \u001b[0;32min\u001b[0m \u001b[0mrange\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0minit_size\u001b[0m \u001b[0;32mor\u001b[0m \u001b[0mcls\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mdefault_init_size\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    650\u001b[0m         \u001b[0;32mfor\u001b[0m \u001b[0mseed\u001b[0m \u001b[0;32min\u001b[0m \u001b[0mseeds\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    651\u001b[0m             \u001b[0mseed\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mrelease\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;32m/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/py2neo/client/__init__.py\u001b[0m in \u001b[0;36m<listcomp>\u001b[0;34m(.0)\u001b[0m\n\u001b[1;32m    647\u001b[0m         \"\"\"\n\u001b[1;32m    648\u001b[0m         \u001b[0mpool\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mcls\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mprofile\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0muser_agent\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mmax_size\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mmax_age\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mon_broken\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 649\u001b[0;31m         \u001b[0mseeds\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;34m[\u001b[0m\u001b[0mpool\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0macquire\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m \u001b[0;32mfor\u001b[0m \u001b[0m_\u001b[0m \u001b[0;32min\u001b[0m \u001b[0mrange\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0minit_size\u001b[0m \u001b[0;32mor\u001b[0m \u001b[0mcls\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mdefault_init_size\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    650\u001b[0m         \u001b[0;32mfor\u001b[0m \u001b[0mseed\u001b[0m \u001b[0;32min\u001b[0m \u001b[0mseeds\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    651\u001b[0m             \u001b[0mseed\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mrelease\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;32m/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/py2neo/client/__init__.py\u001b[0m in \u001b[0;36macquire\u001b[0;34m(self, force_reset, can_overfill)\u001b[0m\n\u001b[1;32m    811\u001b[0m                     \u001b[0;31m# ConnectionUnavailable exception, which\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    812\u001b[0m                     \u001b[0;31m# should bubble up to the caller.\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 813\u001b[0;31m                     \u001b[0mcx\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_connect\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    814\u001b[0m                     \u001b[0;32mif\u001b[0m \u001b[0mcx\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0msupports_multi\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    815\u001b[0m                         \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_supports_multi\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;32mTrue\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;32m/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/py2neo/client/__init__.py\u001b[0m in \u001b[0;36m_connect\u001b[0;34m(self)\u001b[0m\n\u001b[1;32m    762\u001b[0m         \"\"\" Open and return a new connection.\n\u001b[1;32m    763\u001b[0m         \"\"\"\n\u001b[0;32m--> 764\u001b[0;31m         cx = Connection.open(self.profile, user_agent=self.user_agent,\n\u001b[0m\u001b[1;32m    765\u001b[0m                              \u001b[0mon_release\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0;32mlambda\u001b[0m \u001b[0mc\u001b[0m\u001b[0;34m:\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mrelease\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mc\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    766\u001b[0m                              on_broken=lambda msg: self.__on_broken(msg))\n",
      "\u001b[0;32m/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/py2neo/client/__init__.py\u001b[0m in \u001b[0;36mopen\u001b[0;34m(cls, profile, user_agent, on_release, on_broken)\u001b[0m\n\u001b[1;32m    172\u001b[0m         \u001b[0;32mif\u001b[0m \u001b[0mprofile\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mprotocol\u001b[0m \u001b[0;34m==\u001b[0m \u001b[0;34m\"bolt\"\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    173\u001b[0m             \u001b[0;32mfrom\u001b[0m \u001b[0mpy2neo\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mclient\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mbolt\u001b[0m \u001b[0;32mimport\u001b[0m \u001b[0mBolt\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 174\u001b[0;31m             return Bolt.open(profile, user_agent=user_agent,\n\u001b[0m\u001b[1;32m    175\u001b[0m                              on_release=on_release, on_broken=on_broken)\n\u001b[1;32m    176\u001b[0m         \u001b[0;32melif\u001b[0m \u001b[0mprofile\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mprotocol\u001b[0m \u001b[0;34m==\u001b[0m \u001b[0;34m\"http\"\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;32m/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/py2neo/client/bolt.py\u001b[0m in \u001b[0;36mopen\u001b[0;34m(cls, profile, user_agent, on_release, on_broken)\u001b[0m\n\u001b[1;32m    362\u001b[0m             \u001b[0;32mreturn\u001b[0m \u001b[0mbolt\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    363\u001b[0m         \u001b[0;32mexcept\u001b[0m \u001b[0;34m(\u001b[0m\u001b[0mTypeError\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mWireError\u001b[0m\u001b[0;34m)\u001b[0m \u001b[0;32mas\u001b[0m \u001b[0merror\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 364\u001b[0;31m             \u001b[0mraise_from\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mConnectionUnavailable\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m\"Cannot open connection to %r\"\u001b[0m \u001b[0;34m%\u001b[0m \u001b[0mprofile\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0merror\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    365\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    366\u001b[0m     \u001b[0;34m@\u001b[0m\u001b[0mclassmethod\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;32m/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/six.py\u001b[0m in \u001b[0;36mraise_from\u001b[0;34m(value, from_value)\u001b[0m\n",
      "\u001b[0;31mConnectionUnavailable\u001b[0m: Cannot open connection to ConnectionProfile('bolt://localhost:7687')"
     ]
    }
   ],
   "source": [
    "from py2neo import Graph\n",
    "\n",
    "graph = Graph()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "4cc2dacd",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Collecting py2neo\n",
      "  Downloading py2neo-2021.2.3-py2.py3-none-any.whl (177 kB)\n",
      "     |████████████████████████████████| 177 kB 7.2 MB/s            \n",
      "\u001b[?25hRequirement already satisfied: pygments>=2.0.0 in /Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages (from py2neo) (2.10.0)\n",
      "Requirement already satisfied: packaging in /Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages (from py2neo) (21.0)\n",
      "Requirement already satisfied: certifi in /Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages (from py2neo) (2022.6.15)\n",
      "Collecting monotonic\n",
      "  Downloading monotonic-1.6-py2.py3-none-any.whl (8.2 kB)\n",
      "Collecting interchange~=2021.0.4\n",
      "  Downloading interchange-2021.0.4-py2.py3-none-any.whl (28 kB)\n",
      "Collecting pansi>=2020.7.3\n",
      "  Downloading pansi-2020.7.3-py2.py3-none-any.whl (10 kB)\n",
      "Requirement already satisfied: urllib3 in /Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages (from py2neo) (1.26.6)\n",
      "Requirement already satisfied: six>=1.15.0 in /Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages (from py2neo) (1.16.0)\n",
      "Requirement already satisfied: pytz in /Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages (from interchange~=2021.0.4->py2neo) (2021.1)\n",
      "Requirement already satisfied: pyparsing>=2.0.2 in /Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages (from packaging->py2neo) (2.4.7)\n",
      "Installing collected packages: pansi, monotonic, interchange, py2neo\n",
      "Successfully installed interchange-2021.0.4 monotonic-1.6 pansi-2020.7.3 py2neo-2021.2.3\n",
      "\u001b[33mWARNING: You are using pip version 21.3.1; however, version 22.3.1 is available.\n",
      "You should consider upgrading via the '/Library/Frameworks/Python.framework/Versions/3.9/bin/python3 -m pip install --upgrade pip' command.\u001b[0m\n",
      "Note: you may need to restart the kernel to use updated packages.\n"
     ]
    }
   ],
   "source": [
    "pip install py2neo"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "f5799036",
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3 (ipykernel)",
   "language": "python",
   "name": "python3"
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  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.9.6"
  },
  "vscode": {
   "interpreter": {
    "hash": "aee8b7b246df8f9039afb4144a1f6fd8d2ca17a180786b69acc140d282b71a49"
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 },
 "nbformat": 4,
 "nbformat_minor": 5
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