🚀 fix(lint): fix format issues for deployment

[himankpathak]

Important

Fix formatting issues by removing unnecessary blank lines and adjusting line breaks in functions.py, test_expression.py, and test_functions.py.

• Formatting:
  • Remove unnecessary blank lines in functions.py.
  • Adjust line breaks in test_expression.py and test_functions.py for better readability.
• Misc:
  • Add newline at end of functions.py.

^{This description was created by for 3895994. It will automatically update as commits are pushed.}