fix doctests

Author: alimanfoo

zarr/core.py

@@ -237,13 +237,13 @@ def __getitem__(self, item):
             >>> z[5]
             5
             >>> z[:5]
-            array([0, 1, 2, 3, 4])
+            array([0, 1, 2, 3, 4], dtype=int32)
             >>> z[-5:]
-            array([99999995, 99999996, 99999997, 99999998, 99999999])
+            array([99999995, 99999996, 99999997, 99999998, 99999999], dtype=int32)
             >>> z[5:10]
-            array([5, 6, 7, 8, 9])
+            array([5, 6, 7, 8, 9], dtype=int32)
             >>> z[:]
-            array([       0,        1,        2, ..., 99999997, 99999998, 99999999])
+            array([       0,        1,        2, ..., 99999997, 99999998, 99999999], dtype=int32)
 
         Setup a 2-dimensional array::
 
@@ -263,26 +263,26 @@ def __getitem__(self, item):
             20002
             >>> z[:2, :2]
             array([[    0,     1],
-                   [10000, 10001]])
+                   [10000, 10001]], dtype=int32)
             >>> z[:2]
             array([[    0,     1,     2, ...,  9997,  9998,  9999],
-                   [10000, 10001, 10002, ..., 19997, 19998, 19999]])
+                   [10000, 10001, 10002, ..., 19997, 19998, 19999]], dtype=int32)
             >>> z[:, :2]
             array([[       0,        1],
                    [   10000,    10001],
                    [   20000,    20001],
                    ...,
                    [99970000, 99970001],
                    [99980000, 99980001],
-                   [99990000, 99990001]])
+                   [99990000, 99990001]], dtype=int32)
             >>> z[:]
             array([[       0,        1,        2, ...,     9997,     9998,     9999],
                    [   10000,    10001,    10002, ...,    19997,    19998,    19999],
                    [   20000,    20001,    20002, ...,    29997,    29998,    29999],
                    ...,
                    [99970000, 99970001, 99970002, ..., 99979997, 99979998, 99979999],
                    [99980000, 99980001, 99980002, ..., 99989997, 99989998, 99989999],
-                   [99990000, 99990001, 99990002, ..., 99999997, 99999998, 99999999]])
+                   [99990000, 99990001, 99990002, ..., 99999997, 99999998, 99999999]], dtype=int32)
 
         """  # flake8: noqa