support long for mx.random.seed

tests/python/unittest/test_random.py

@@ -336,6 +336,7 @@ def test_parallel_random_seed_setting():
  # Avoid excessive test cpu runtimes
  num_temp_seeds = 25 if ctx.device_type == 'gpu' else 1
  # To flush out a possible race condition, run multiple times
+
  for _ in range(20):
  # Create enough samples such that we get a meaningful distribution.
  shape = (200, 200)