6.4.1 #include raw

The main template:

#include raw "y.tmpl"

The shell command and output:

% voom="VOOM" x.py --env
Let's go $voom!

The generated code:

write(self._includeCheetahSource("y.tmpl", trans=trans, includeFrom="fil
e", raw=1))

That last argument, raw, makes the difference.