IndexError when using math.pi inside kernel

[justinlietz]

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Describe the bug

When attempting to use math.pi inside a kernel, the error
IndexError: pop from an empty deque
is returned.

Steps to reproduce the bug

import math
import cudaq

@cudaq.kernel
def test_kernel():
    theta = math.pi

counts = cudaq.sample(test_kernel)

Expected behavior

The expected behavior would be either to support math.pi, or to provide an error which explains that this is not allowed.

Is this a regression? If it is, put the last known working version (or commit) here.

Not a regression

Environment

-Docker Image ID: 109eb1c12738

Suggestions

No response