🧹 Remove redundant pandas import in VaR calculator

[JamesIgoe]

🎯 What: Removed a redundant import pandas as pd statement within __getVaRRange in the Value-at-Risk (VaR) Calculator Class in Python.ipynb file.

💡 Why: pandas is already imported at the module/top level elsewhere in the notebook. This duplicate local import was redundant. Removing it cleans up the code without impacting logic.

✅ Verification: Verified the changes by running python3 -m json.tool "Value-at-Risk (VaR) Calculator Class in Python.ipynb" > /dev/null, which parsed without errors, confirming the structural integrity of the JSON notebook is preserved.

✨ Result: Improved readability and maintainability by removing unnecessary duplicate import logic.

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PR created automatically by Jules for task 7176583974674788962 started by @JamesIgoe

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