diff options
Diffstat (limited to 'numpy/core/arrayprint.py')
| -rw-r--r-- | numpy/core/arrayprint.py | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/numpy/core/arrayprint.py b/numpy/core/arrayprint.py index 84943cafc..cbe95f51b 100644 --- a/numpy/core/arrayprint.py +++ b/numpy/core/arrayprint.py @@ -772,7 +772,8 @@ def _formatArray(a, format_function, line_width, next_line_prefix, s += hanging_indent + summary_insert + line_sep for i in range(trailing_items, 1, -1): - nested = recurser(index + (-i,), next_hanging_indent, next_width) + nested = recurser(index + (-i,), next_hanging_indent, + next_width) s += hanging_indent + nested + line_sep nested = recurser(index + (-1,), next_hanging_indent, next_width) @@ -782,12 +783,16 @@ def _formatArray(a, format_function, line_width, next_line_prefix, s = '[' + s[len(hanging_indent):] + ']' return s - # invoke the recursive part with an initial index and prefix - return recurser( - index=(), - hanging_indent=next_line_prefix, - curr_width=line_width) - + try: + # invoke the recursive part with an initial index and prefix + return recurser(index=(), + hanging_indent=next_line_prefix, + curr_width=line_width) + finally: + # recursive closures have a cyclic reference to themselves, which + # requires gc to collect (gh-10620). To avoid this problem, for + # performance and PyPy friendliness, we break the cycle: + recurser = None def _none_or_positive_arg(x, name): if x is None: |