Import issues

[swamishiju]

This PR is regarding the first part of #2828 this does seem to fix part of the problem but I think it fails integration tests because it hangs when trying to create the lnn pkg i'm not entirely sure why

[swamishiju]

Seems to be working now

[ubaidsk]

Can you show the output of executing this with the lpython built from latest main branch? I would like to see this test getting failed with the current lpython.

[swamishiju]

Current lpython main

% src/bin/lpython test.py -I.
ASR verify pass error: Module __main__ dependencies must contain string because a function present in it is getting called in __main__.
Internal Compiler Error: Unhandled exception
^C

cpython

% python3 test.py
Inside import

lpython after changes

% src/bin/lpython test.py -I.
Inside import

[ubaidsk]

lgtm

I think we can merge once we see output for https://github.com/lcompilers/lpython/pull/2829/files#r2004399682.

[swamishiju]

Oh ye there is another thing i noticed. When the compiler crashes and hangs integration tests don't stop and give and error (afaik i may have waited too little). If there is no check for that I think we need to add a TLE exit on each test

[swamishiju]

This PR also fixes a related problem

foo.py

print("Inside import")

main.py

import foo

Lpython current main

$ src/bin/lpython main.py -I.
ASR verify pass error: Module __main__ dependencies must contain foo because a function present in it is getting called in __main__.
Internal Compiler Error: Unhandled exception
^C

Cpython

$ python3 main.py
Inside import

Lpython after changes

$ src/bin/lpython main.py -I.
Inside import

I'll add an stdout test for this too

[swamishiju]

@Shaikh-Ubaid all done i think. I'll continue checking for bugs, I have midterms coming so might be less active

[swamishiju]

I'm having some problems with tests can someone help?

[swamishiju]

If its possible i'd prefer if we merge just the approved changes before adding the tests

[ubaidsk]

You will need to remove those extra commits.

[swamishiju]

@Shaikh-Ubaid just did also if you are free I had a question on Zulip