[Setup] Handle env variable DEBUG = ""

[digantdesai]

Summary:

This was not handled and run into int("") failing.

Test Plan:

Locally tested installing with export DEBUG="".

Reviewers:

Subscribers:

Tasks:
Resolves #8311

Tags:

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/8430

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❌ 2 New Failures, 1 Unrelated Failure

As of commit e8459b7 with merge base 8d1480b ():

NEW FAILURES - The following jobs have failed:

• Lint / lintrunner / linux-job (gh)
  >>> Lint for backends/cadence/aot/fuse_ops.py:
• pull / test-llava-runner-linux / linux-job (gh)
  RuntimeError: Command docker exec -t 2530ded362e2d4e16af55a9da4cfee2ae1eaf2a761539302778ee431d33818e8 /exec failed with exit code 139

BROKEN TRUNK - The following job failed but were present on the merge base:

👉 Rebase onto the `viable/strict` branch to avoid these failures

• pull / unittest / macos / macos-job (gh) (trunk failure)
  exir/tests/test_joint_graph.py::TestJointGraph::test_joint_graph

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[SFrav]

Confirmed to resolve #8311