python3-sip-dbg 4.19.12+dfsg-1 (amd64 binary) in ubuntu cosmic

 SIP is a tool for generating bindings for C++ classes with some ideas
 borrowed from SWIG, but capable of tighter bindings because of its
 specificity towards C++ and Python.
 .
 This package contains the extension built for the Python 3 debug interpreter,
 and the debugging symbols for python3-sip package.