MAINT: fixes from review

1 files changed, 8 insertions, 5 deletions

diff --git a/Cython/Compiler/ModuleNode.py b/Cython/Compiler/ModuleNode.py
index f948cfa11..2152f4847 100644
--- a/Cython/Compiler/ModuleNode.py
+++ b/Cython/Compiler/ModuleNode.py
@@ -3061,15 +3061,18 @@ class ModuleNode(Nodes.Node, Nodes.BlockNode):
 
         # check_size
         if not type.is_external or type.is_subclassed:
-            cs = 0 
-        elif type.check_size == b'min':
+            if type.check_size != 'min':
+                raise AttributeError("unexpected check_size value '%s' when "
+                "compiling %s.%s" % (type.check_size, module_name, type.name))
+            cs = 0
+        elif type.check_size == 'min':
             cs = 1
-        elif type.check_size is True:
+        elif type.check_size == 'True':
             cs = 0
-        elif type.check_size is False:
+        elif type.check_size == 'False':
             cs = 2
         else:
-            raise AttributeError("invalid value for check_size '%r' when compiling "
+            raise AttributeError("invalid value for check_size '%s' when compiling "
                 "%s.%s" % (type.check_size, module_name, type.name))
         code.putln('%d);' % cs)