--- firefox-68.0/intl/icu_sources_data.py
+++ firefox-68.0/intl/icu_sources_data.py
@@ -196,7 +196,10 @@
              file=sys.stderr)
         return False
     else:
-        os.unlink(f.name)
+        try:
+            os.unlink(f.name)
+        except NameError:
+            print('FIXME: intl/icu_sources_data.py: Failed to remove file')
         return True