Merge pull request #10698 from ahaldane/fix_0d_object_subclass_again

BUG: Further back-compat fix for subclassed array repr (forward port)

1 files changed, 4 insertions, 3 deletions

diff --git a/numpy/core/arrayprint.py b/numpy/core/arrayprint.py
index cbe95f51b..7dc73d6de 100644
--- a/numpy/core/arrayprint.py
+++ b/numpy/core/arrayprint.py
@@ -471,14 +471,15 @@ def _array2string(a, options, separator=' ', prefix=""):
     # The formatter __init__s in _get_format_function cannot deal with
     # subclasses yet, and we also need to avoid recursion issues in
     # _formatArray with subclasses which return 0d arrays in place of scalars
-    a = asarray(a)
+    data = asarray(a)
+    if a.shape == ():
+        a = data
 
     if a.size > options['threshold']:
         summary_insert = "..."
-        data = _leading_trailing(a, options['edgeitems'])
+        data = _leading_trailing(data, options['edgeitems'])
     else:
         summary_insert = ""
-        data = a
 
     # find the right formatting function for the array
     format_function = _get_format_function(data, **options)