Short version for non-lawyers:

SPDX-License-Identifier: MIT OR Apache-2.0

memory-profiler is dual-licensed under Apache 2.0 and MIT
terms.

Longer version:

Except as otherwise noted (below and/or in individual files), memory-profiler is
licensed under the Apache License, Version 2.0 <LICENSE-APACHE> or
<http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
<LICENSE-MIT> or <http://opensource.org/licenses/MIT>, at your option.