Fix SonarQube code smells: replace identity checks with meaningful assertions

def check_psutil():

    cpu = psutil.cpu_count()

    mem = psutil.virtual_memory()

    assert cpu is not None and cpu > 0, f"Unexpected cpu_count: {cpu}"

    assert cpu > 0, f"Unexpected cpu_count: {cpu}"

    assert mem.total > 0, f"Unexpected virtual_memory total: {mem.total}"

    print(f"psutil OK: {cpu} CPUs, {mem.total // (1024**2)} MB RAM")

def check_requests():

    session = requests.Session()

    assert session is not None

    assert isinstance(session, requests.Session)

    adapter = session.get_adapter("https://")

    assert adapter is not None

    assert isinstance(adapter, requests.adapters.HTTPAdapter)

    print("requests OK: Session created")