fix to test_numerics file

Signed-off-by: Pawel Gadzinski <pgadzinski@nvidia.com>

tests/pytorch/distributed/test_numerics.py

@@ -41,7 +41,7 @@ def _run_test(layer, fp8):
  ]
 
  if fp8:
- test_cmd += ["--fp8=true"]
+ test_cmd += ["--fp8"]
 
  result = subprocess.run(test_cmd, env=os.environ, capture_output=True, check=False)
  if (