fix CPython version check for tp_finalize()

Cython/Compiler/TypeSlots.py

@@ -789,7 +789,7 @@ slot_table = (
     EmptySlot("tp_del"),
     EmptySlot("tp_version_tag", ifdef="PY_VERSION_HEX >= 0x02060000"),
     # TODO: change __dealloc__ to be called by tp_finalize (PEP 442)
-    EmptySlot("tp_finalize", ifdef="PY_VERSION_HEX >= 0x03040a00"),
+    EmptySlot("tp_finalize", ifdef="PY_VERSION_HEX >= 0x030400a1"),
 )
 
 #------------------------------------------------------------------------------------------

Cython/Utility/CythonFunction.c

@@ -634,7 +634,7 @@ static PyTypeObject __pyx_CyFunctionType_type = {
 #if PY_VERSION_HEX >= 0x02060000
     0,                                  /*tp_version_tag*/
 #endif
-#if PY_VERSION_HEX >= 0x03040a00
+#if PY_VERSION_HEX >= 0x030400a1
     0,                                  /*tp_finalize*/
 #endif
 };
@@ -1082,7 +1082,7 @@ static PyTypeObject __pyx_FusedFunctionType_type = {
 #if PY_VERSION_HEX >= 0x02060000
     0,                                  /*tp_version_tag*/
 #endif
-#if PY_VERSION_HEX >= 0x03040a00
+#if PY_VERSION_HEX >= 0x030400a1
     0,                                  /*tp_finalize*/
 #endif
 };

Cython/Utility/Generator.c

@@ -608,7 +608,7 @@ static PyTypeObject __pyx_GeneratorType_type = {
 #if PY_VERSION_HEX >= 0x02060000
     0,                                  /*tp_version_tag*/
 #endif
-#if PY_VERSION_HEX >= 0x03040a00
+#if PY_VERSION_HEX >= 0x030400a1
     0,                                  /*tp_finalize*/
 #endif
 };