diff --git a/testing/mozbase/mozgeckoprofiler/mozgeckoprofiler/symbolication.py b/testing/mozbase/mozgeckoprofiler/mozgeckoprofiler/symbolication.py
index 3f2cdd8ce36b..c0cdf615d909 100644
--- a/testing/mozbase/mozgeckoprofiler/mozgeckoprofiler/symbolication.py
+++ b/testing/mozbase/mozgeckoprofiler/mozgeckoprofiler/symbolication.py
@@ -331,6 +331,7 @@ class ProfileSymbolicator:
             if lib["start"] not in libs_with_symbols:
                 libs_with_symbols[lib["start"]] = {"library": lib, "symbols": set()}
             libs_with_symbols[lib["start"]]["symbols"].add(address)
+        # pylint: disable=W1656
         return libs_with_symbols.values()
 
     def _resolve_symbols(self, symbols_to_resolve):
diff --git a/testing/raptor/raptor/output.py b/testing/raptor/raptor/output.py
index 5c90969e8995..ce0781410ce3 100644
--- a/testing/raptor/raptor/output.py
+++ b/testing/raptor/raptor/output.py
@@ -582,7 +582,8 @@ class PerftestOutput(object):
             test["value"] = filters.mean(test["replicates"])
             vals.append([test["value"], name])
 
-        return _subtests.values(), sorted(vals, reverse=True)
+        # pylint W1656
+        return list(_subtests.values()), sorted(vals, reverse=True)
 
     def parseYoutubePlaybackPerformanceOutput(self, test):
         """Parse the metrics for the Youtube playback performance test.