MNT: scipy unavailable for some x86 Pythons

Author: effigies

tox.ini

@@ -67,7 +67,7 @@ deps =
   # Numpy 2.0 is a major breaking release; we cannot put much effort into
   # supporting until it's at least RC stable
   pre: numpy <2.0.dev0
-  full,pre: scipy >=1.6
+  x64,pre: scipy >=1.6
   full,pre: matplotlib >=3.4
   full,pre: pillow >=8.1
   full,pre: indexed_gzip >=1.4