diff options
Diffstat (limited to 'Lib/tracemalloc.py')
| -rw-r--r-- | Lib/tracemalloc.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/Lib/tracemalloc.py b/Lib/tracemalloc.py index f117127..adedfc5 100644 --- a/Lib/tracemalloc.py +++ b/Lib/tracemalloc.py @@ -1,4 +1,4 @@ -from collections import Sequence +from collections import Sequence, Iterable from functools import total_ordering import fnmatch import linecache @@ -382,6 +382,9 @@ class Snapshot: is a list of Filter instances. If filters is an empty list, return a new Snapshot instance with a copy of the traces. """ + if not isinstance(filters, Iterable): + raise TypeError("filters must be a list of filters, not %s" + % type(filters).__name__) if filters: include_filters = [] exclude_filters = [] |