🐛 uses six.zip for py2/3 compat

better

neuroglia/datasets/crcns.py

@@ -3,14 +3,18 @@
 import os
 import tarfile
 from collections import namedtuple
-from itertools import izip
 import requests
 import pandas as pd
 import numpy as np
 from sklearn.datasets.base import _sha256, _pkl_filepath
 from sklearn.utils import Bunch
 from .utils import get_neuroglia_data_home
 
+try:
+    from itertools import izip as zip
+except ImportError:  # must be python3
+    pass
+
 URL = 'https://portal.nersc.gov/project/crcns/download/index.php'
 
 
@@ -127,7 +131,7 @@ def read_spikes_from_tar(f):
 
         ts = f.extractfile(timestamps)
         clu = f.extractfile(clusters)
-        for frame,cluster in izip(ts.readlines(),clu.readlines()):
+        for frame,cluster in zip(ts.readlines(),clu.readlines()):
             if int(cluster)>1:
                 spike = dict(
                     time=float(frame) / SPIKES_HZ,