fix: contacts import

gui/qt/contact_list.py

@@ -72,7 +72,7 @@ class ContactList(MyTreeWidget):
         selected = self.selectedItems()
         if not selected:
             menu.addAction(_("New contact"), lambda: self.parent.new_contact_dialog())
-            menu.addAction(_("Import file"), lambda: self.parent.import_contacts())
+            menu.addAction(_("Import file"), lambda: self.import_contacts())
         else:
             names = [item.text(0) for item in selected]
             keys = [item.text(1) for item in selected]

lib/contacts.py

@@ -123,7 +123,7 @@ class Contacts(dict):
             return None
             
     def _validate(self, data):
-        for k,v in data.items():
+        for k,v in list(data.items()):
             if k == 'contacts':
                 return self._validate(v)
             if not bitcoin.is_address(k):