boost-python has been disabled because it does not build!

[danding]

Describe the bug
brew cannot find the boost-python lib

Error message(s)
boost-python has been disabled because it does not build!

Environment:

• OS: [MAC OSX]
• Version [Big Sur 11.4]
• Python Version: 2.7.16
• Boost Version: 1.76.0
• Compiler Version

[Achim Herwig]

As far as I understand this message, the probelm lies with boost-python, not with the examples in this repository. Am I right?