Ticket #55361: patch-python.diff

inst/sympref.m

@@ -261 +261 @@
       if (nargin ~= 1)
         error('old syntax ''sympref python'' removed; use ''setenv PYTHON'' instead')
       end
-      DEFAULTPYTHON = 'python';
+      DEFAULTPYTHON = '__MACPORTS_PYTHON__';
       pyexec = getenv('PYTHON');
       if (isempty(pyexec))
         pyexec = DEFAULTPYTHON;