Fix error: dict keys changing during iteration

2020-01-04 14:48:49 -05:00 · 2020-01-04 14:48:49 -05:00 · e3c2a3a57b
parent 4aaf1a0be7
commit e3c2a3a57b
1 changed files with 1 additions and 1 deletions
--- a/stix2/properties.py
+++ b/stix2/properties.py
@ -401,7 +401,7 @@ class HashesProperty(DictionaryProperty):

    def clean(self, value):
        clean_dict = super(HashesProperty, self).clean(value)
-        for k, v in clean_dict.items():
+        for k, v in copy.deepcopy(clean_dict).items():
            key = k.upper().replace('-', '')
            if key in HASHES_REGEX:
                vocab_key = HASHES_REGEX[key][1]