title: Google Colab Error, "WARNING:root:kernel 550fdef7-0cf5-47e7-86a7-8a6a019a6aaa restarted"
body: <p>I have a problem with Google Colab, it crashes. When I try to import libraries, this system log appears:</p>
  <pre><code>WARNING:root:kernel 550fdef7-0cf5-47e7-86a7-8a6a019a6aaa restarted
  KernelRestarter: restarting kernel (1/5), keep random ports
  Kernel interrupted: 550fdef7-0cf5-47e7-86a7-8a6a019a6aaa
  </code></pre>
  <p>I looked for the answer in other posts and checked that the Ram was free (it is), but importing one library at a time I discovered that the problem is given by <code>torch_geometric</code>, what could I do? To install the libraries I use this code:</p>
  <pre><code>!pip install -q torch torchvision
  !pip install torch-scatter torch-sparse torch-cluster torch-  spline-conv torch-geometric -f https://data.pyg.org/whl/torch-1.10.0+cpu.html
  !pip install import-ipynb
  !pip install networkx
  !pip install rdkit-pypi
  !pip install deepchem
  !pip install -q dgl
  !pip install gdown -U --no-cache-dir
  </code></pre>
  <p>The libraries I'm trying to import are these:</p>
  <pre><code># Usefull libreries to load and process the data
  import pandas as pd
  import numpy as np
  import matplotlib.pyplot as plt
  from sklearn.exceptions import ConvergenceWarning
  from sklearn.metrics import accuracy_score
  from sklearn.svm import LinearSVC
  import import_ipynb
  import warnings
  import os
  import os.path as osp
  from tqdm import tqdm
  
  # Usefull libresies to create and work on graph
  import torch
  import torch_geometric
  import torch.nn.functional as F
  from torch_geometric.loader import DataLoader
  from torch_geometric import data
  from torch_geometric.data import Data, Dataset, Batch
  import torch_geometric.utils
  from torch.nn import Linear, BatchNorm1d, ReLU, Sequential
  import torch.nn.functional as F
  from torch_geometric.nn import global_mean_pool, GCNConv, GINConv, WLConv, GAE
  from torch_geometric.nn.glob.glob import global_mean_pool
  import networkx as nx
  
  # Useful libraries to visualize chemical structures and calculate chemical properties 
  import rdkit
  from rdkit import Chem
  from rdkit.Chem import Draw
  from rdkit.Chem.rdMolDescriptors import CalcMolFormula
  import deepchem as dc
  
  # Notebook
  from graph_converter import MoleculeDataset
  from Utils import formula, draw_molecule, activity
  </code></pre>
  <p>Thanks to all!</p>