Problems for source package uc-echo

BuildDepends

Package declares a build time dependency on debhelper (>= 11~) which cannot be satisfied on mips. Package uc-echo does not exist on mips.
Package declares a build time dependency on debhelper (>= 11~) which cannot be satisfied on mips64el. Package uc-echo does not exist on mips64el.
Package declares a build time dependency on debhelper (>= 11~) which cannot be satisfied on mipsel. Package uc-echo does not exist on mipsel.
Package declares a build time dependency on debhelper (>= 11~) which cannot be satisfied on ppc64el. Package uc-echo does not exist on ppc64el.
Package declares a build time dependency on debhelper (>= 11~) which cannot be satisfied on s390x. Package uc-echo does not exist on s390x.
Package declares a build time dependency on debhelper (>= 11~) which cannot be satisfied on armel. Package uc-echo does not exist on armel.
Package declares a build time dependency on libpython-all-dev which cannot be satisfied on ppc64el. Package uc-echo does not exist on ppc64el.
Package declares a build time dependency on libpython-all-dev which cannot be satisfied on mips64el. Package uc-echo does not exist on mips64el.
Package declares a build time dependency on libpython-all-dev which cannot be satisfied on mipsel. Package uc-echo does not exist on mipsel.
Package declares a build time dependency on libpython-all-dev which cannot be satisfied on armel. Package uc-echo does not exist on armel.
Package declares a build time dependency on libpython-all-dev which cannot be satisfied on s390x. Package uc-echo does not exist on s390x.
Package declares a build time dependency on libpython-all-dev which cannot be satisfied on mips. Package uc-echo does not exist on mips.

Malformed Build-Depends

Package declares a build time dependency on 'python-all-dev:any' which is broken Syntax.
Package declares a build time dependency on 'python-numpy:native' which is broken Syntax.
Package declares a build time dependency on 'python-scipy:native' which is broken Syntax.