casa-mp-base

--- setupext.py.orig    2019-05-21 09:49:12.000000000 -0400

+++ setupext.py 2019-05-21 09:54:50.000000000 -0400

@@ -958,10 +958,10 @@

 class BackendTkAgg(OptionalBackendPackage):

     name = "tkagg"

-    force = True

-

-    def check(self):

-        return "installing; run-time loading from Python Tcl/Tk"

+##    force = True

+##

+##    def check(self):

+##        return "installing; run-time loading from Python Tcl/Tk"

     def get_extension(self):

         sources = [