DeprecationWarning: The 'warn' method is deprecated, use 'warning' instead

[mrclary]

Describe Your Environment

• OPERATING SYSTEM---------------------------------------------------------------
  • System........................ Darwin
  • Release....................... 20.6.0
  • Platform...................... macOS-11.6.4-x86_64-i386-64bit
  • Version....................... Darwin Kernel Version 20.6.0: Wed Jan 12 22:22:42 PST 2022; root:xnu-7195.141.19~2/RELEASE_X86_64
• PYTHON DISTRIBUTION------------------------------------------------------------
  • Version....................... 3.9.10
  • C Compiler.................... Clang 11.1.0
  • C API Version................. 1013
  • Implementation................ cpython
  • Implementation Version........ 3.9.10
• QT BINDINGS--------------------------------------------------------------------
  • PyQt5 Version................. 5.12.3
  • PyQt5 Qt Version.............. 5.12.9
• QT ABSTRACTIONS----------------------------------------------------------------
  • qtpy Version.................. 2.0.1
  • qtpy Binding.................. pyqt5
  • qtpy Binding Variable......... os.environ['QT_API']
  • qtpy Import Name.............. qtpy
  • qtpy Status................... OK
• PYTHON PACKAGES----------------------------------------------------------------
  • helpdev....................... 0.7.1
  • QDarkStyle.................... 3.0.2

Description / Steps to Reproduce [if necessary]

It appears that the warn method of the logging module is deprecated.