Add a call to Tcl_FindExecutable().  This was inspired by a patch by Martin von Loewis (whose more elaborate patch to use objects is still under review).
Add a call to Tcl_FindExecutable().  This was inspired by a patch by
Martin von Loewis (whose more elaborate patch to use objects is still
under review).

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator