import pandas as pd
from arango import ArangoClient
from tqdm import tqdm
import numpy as np
import itertools
import requests
import sys
import oasis
from arango import ArangoClient

import torch
import torch.nn.functional as F
from torch.nn import Linear
from arango import ArangoClient
import torch_geometric.transforms as T
from torch_geometric.nn import SAGEConv, to_hetero
from torch_geometric.transforms import RandomLinkSplit, ToUndirected
from sentence_transformers import SentenceTransformer
from torch_geometric.data import HeteroData
import yaml


import pickle
#----------------------------------------------

def load_hetero_data():
    with open('Hgraph.pkl', 'rb') as file:
        data = pickle.load(file)
        return data