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Fixes potential runtime errors for dictionaries changing size

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Sergi Delgado Segura
2020-04-21 13:40:43 +02:00
parent 7e800ade4a
commit 0e5a99b778
2 changed files with 14 additions and 11 deletions
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7
teos/gatekeeper.py
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@@ -190,8 +190,9 @@ class Gatekeeper:
:obj:`list`: a list of appointment uuids that will expire at ``block_height``.
"""
expired_appointments = []
for user_id, user_info in self.registered_users.items():
if block_height == user_info.subscription_expiry + self.expiry_delta:
expired_appointments.extend(user_info.appointments)
# Avoiding dictionary changed size during iteration
for user_id in list(self.registered_users.keys()):
if block_height == self.registered_users[user_id].subscription_expiry + self.expiry_delta:
expired_appointments.extend(self.registered_users[user_id].appointments)
return expired_appointments