Why heap increases but flamegraph shows same memory usage amount?

[BarRozner-Salt]

So im trying to find a memory leak..

I ran memray and these are the results; 2 results files 20 minutes apart. you can see the heap increases but the flamegraph doesnt show any difference.
I expected to see the diff in those 20 minutes, and pinpoint the func that leaks.

What am I missing?

This is the heap:

Both results files show this:

Disclaimer: Im not an experienced python developer :]