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storage: fix convert_version_18

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SomberNight 2019-03-01 19:54:09 +01:00
parent 9ecb504739
commit b134f04fef
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1 changed files with 6 additions and 0 deletions
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6
electrum/json_db.py
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@ -105,6 +105,12 @@ class JsonDB(PrintError):
self.data[key] = copy.deepcopy(value) self.data[key] = copy.deepcopy(value)
return True return True
elif key in self.data: elif key in self.data:
# clear current contents in case of references
cur_val = self.data[key]
clear_method = getattr(cur_val, "clear", None)
if callable(clear_method):
clear_method()
# pop from dict to delete key
self.data.pop(key) self.data.pop(key)
return True return True
return False return False