[Feature] Make invocations to fetch_data to be thread safe for multi-threaded environment

[ahasunos]

Summary

What is the task or feature?
Study about multi-thread and verify if it is needed for this library & implement it.

Objective

Why is this important?
Explain the purpose and why this task or feature is needed.

Approach

How should this be implemented?
Provide a high-level overview of how you think this should be tackled (e.g., specific technology, steps, etc.).

Acceptance Criteria

• Task 1: Clear description of the first task to complete
• Task 2: Clear description of the second task to complete
• Task 3: Clear description of the third task to complete

Additional Information

Priority: Low | Medium | High

Dependencies: Are there any other tasks, features, or issues that need to be completed first? List them here.

Notes: Any other context, information, or technical details relevant to this task.