Edit Book: Reports tool: Fix an error when right clicking on items in the Links view. See #1652960 (Download external resources)

src/calibre/gui2/tweak_book/reports.py

@@ -56,6 +56,7 @@ def save_state(name, val):
         tprefs['reports-ui-state'] = data = {}
     data[name] = val
 
+
 SORT_ROLE = Qt.UserRole + 1
 
 
@@ -111,7 +112,7 @@ def headerData(self, section, orientation, role=Qt.DisplayRole):
     def location(self, index):
         try:
             return self.files[index.row()].name
-        except IndexError:
+        except (IndexError, AttributeError):
             pass
 
 
@@ -350,6 +351,7 @@ def __call__(self, key, locations):
             loc = locations[self.pos_map[key]]
             jump_to_location(loc)
 
+
 jump = Jump()  # }}}
 
 # Images {{{
@@ -1441,6 +1443,7 @@ def reject(self):
         Dialog.reject(self)
 # }}}
 
+
 if __name__ == '__main__':
     from calibre.gui2 import Application
     import sys