Source: pyopencl Version: 2015.2.4-1 Severity: normal Tags: patch pyopencl uses cffi in the out-of-line mode, which means it doesn't actually need to import cffi at runtime, only the cffi backend.
So, you can drop the explicity cffi dpendencies. SR
diff -Nru pyopencl-2015.2.4/debian/control pyopencl-2015.2.4/debian/control --- pyopencl-2015.2.4/debian/control 2016-03-27 15:53:33.000000000 -0400 +++ pyopencl-2015.2.4/debian/control 2016-08-01 08:12:24.000000000 -0400 @@ -39,8 +39,7 @@ python-appdirs (>= 1.4.0), python-numpy, python-pytools (>= 2015.1.2), - python-six, - python-cffi (>= 1.1.0) + python-six Recommends: python-pyopencl-doc, python-opengl, python-mako @@ -103,8 +102,7 @@ python3-appdirs (>= 1.4.0), python3-numpy, python3-pytools (>= 2015.1.2), - python3-six, - python3-cffi (>= 1.1.0) + python3-six Recommends: python-pyopencl-doc, python3-mako Suggests: python3-imaging-tk,