source is ambiguous: package or path?
source is ambiguous: package or path?

txaws is the name of a directory and a Python package and coverage picks the directory, breaking stuff.
Use include, instead, which only accepts paths.  And give it a path.

oubiwann/txaws,mithrandi/txaws,twisted/txaws,twisted/txaws,mithrandi/txaws,oubiwann/txaws