Initial commit

This doesn't produce the problem yet when the tests are run with
just `pytest`, since `pytst-cov` isn't configured to be used
automatically.

Author: EliahKagan

.gitignore

@@ -0,0 +1,3 @@
+__pycache__/
+.venv/
+.coverage

requirements.txt

@@ -0,0 +1,2 @@
+pytest
+pytest-cov

reveal_interpreter.py

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+#!/usr/bin/env python
+
+import sys
+
+
+if __name__ == "__main__":
+    print(f"{sys.executable=}", file=sys.stderr)

test_indirect.py

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+#!/usr/bin/env python
+
+import subprocess
+import sys
+
+
+def test_reveal_interpreter():
+    proc = subprocess.run(
+        [sys.executable, "reveal_interpreter.py"],
+        check=True,
+        capture_output=True,
+        text=True,
+    )
+    assert proc.stderr == f"{sys.executable=}\n"