[SAMPLES] Fix flake issues in Python speech sample (#12514)

* Fix flake issues

* Add whitespace

* Add whitespaces in tests asserts

samples/python/speech_sample/speech_sample.py

@@ -102,7 +102,7 @@ def main():
         if args.batch_size:
             batch_size = args.batch_size if args.context_window_left == args.context_window_right == 0 else 1
 
-            if any([not _input.node.layout.empty for _input in model.inputs]):
+            if any((not _input.node.layout.empty for _input in model.inputs)):
                 set_batch(model, batch_size)
             else:
                 log.warning('Layout is not set for any input, so custom batch size is not set')