electrum

commit b134f04fef62991e302185da44b1a53a0984f302
parent 9ecb50473924e89d3792086a078bd34ec2db8458
Author: SomberNight <somber.night@protonmail.com>
Date:   Fri,  1 Mar 2019 19:54:09 +0100

storage: fix convert_version_18

Diffstat:
M
electrum/json_db.py
 | 
6
++++++

1 file changed, 6 insertions(+), 0 deletions(-)
diff --git a/electrum/json_db.py b/electrum/json_db.py
@@ -105,6 +105,12 @@ class JsonDB(PrintError):
                 self.data[key] = copy.deepcopy(value)
                 return True
         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)
             return True
         return False