fix: fix segmentation fault error for global imports

[XuehaiPan]

Description

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Motivation and Context

Why is this change required? What problem does it solve?
If it fixes an open issue, please link to the issue here.
You can use the syntax close #15213 if this solves the issue #15213

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Fixes #13

Types of changes

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• New feature (non-breaking change which adds core functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
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Checklist

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[codecov-commenter]

Codecov Report

Base: 93.91% // Head: 93.91% // No change to project coverage 👍

Coverage data is based on head (4058e8a) compared to base (63650b3).
Patch has no changes to coverable lines.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #14   +/-   ##
=======================================
  Coverage   93.91%   93.91%           
=======================================
  Files           4        4           
  Lines         312      312           
=======================================
  Hits          293      293           
  Misses         19       19           

Flag	Coverage Δ
unittests	93.91% <ø> (ø)

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