regression_without_regressed_by: consider unaccessible bugs as invalid (#612)

auto_nag/scripts/regression_without_regressed_by.py

@@ -54,6 +54,7 @@ class RegressionWithoutRegressedBy(BzCleaner):
 
         def history_handler(bug, data):
             bugid = bug['id']
+            treated.add(bugid)
             resolved_before = False
             for h in bug['history']:
                 if resolved_before:
@@ -68,6 +69,7 @@ class RegressionWithoutRegressedBy(BzCleaner):
                 data.add(bugid)
 
         invalids = set()
+        treated = set()
         Bugzilla(
             bugids=list(all_deps),
             include_fields=['id', 'keywords', 'cf_last_resolved'],
@@ -77,6 +79,10 @@ class RegressionWithoutRegressedBy(BzCleaner):
             historydata=invalids,
         ).get_data().wait()
 
+        # Some bugs aren't accessible so they won't appear in treated (all_deps - treated)
+        # Since we don't have any info about them, then we consider them as invalid
+        invalids |= all_deps - treated
+
         for bugid, info in bugs.items():
             info['deps'] -= invalids
 

templates/regression_without_regressed_by.html

@@ -1,4 +1,4 @@
-<p>The following {{ plural('bug is', data, pword='bugs are') }} a regression and some dependencies:
+<p>The following {{ plural('bug is', data, pword='bugs are') }} a regression and {{ plural('has', data, pword='have') }} some dependencies but regressed_by is empty:
   <table {{ table_attrs }}>
     <thead>
       <tr>