Avoid inlining kwargs check function that only checks for errors and is not worth being inlined. Also avoid double-check overhead for strigns and string subtypes in Py2: only needed in Py2.6 and not really worth it.
Avoid inlining kwargs check function that only checks for errors and is not worth being inlined.
Also avoid double-check overhead for strigns and string subtypes in Py2: only needed in Py2.6 and not really worth it.

da-woods/cython,scoder/cython,cython/cython,cython/cython,scoder/cython,da-woods/cython,da-woods/cython,scoder/cython,cython/cython,da-woods/cython,scoder/cython,cython/cython