[python] TraceProcessor fails to instantiate when downloading the perfetto shell under vscode's debugger.

[lucamuscat]

Hey 👋

Whilst using the python perfetto package, I ran into an unhandled exception that occured during the instantiation of a TraceProcessor, more specifically, when the trace processor attempted to download the perfetto shell under vscode's python debugger.

The contents of the exception may be seen here.

Steps to reproduce

I created a minimal reproduction of the bug to aid with your investigation, which you may find here. The following are the steps to reproduce the bug using the provided MVP.

1. Clone the git repository containing the MVP: git clone https://github.com/lucamuscat/python-perfetto-vscode-bug-repro.git;
2. Open the workspace in vscode;
3. Run the Reproduce bug debug profile from the Run and Debug sidebar item.