fix building the core with --disable-unicode
I changed some bytearray methods to use strings instead of unicode like bytes_repr
Also, bytearray.fromhex() can take strings as well as unicode
diff --git a/Modules/gcmodule.c b/Modules/gcmodule.c
index 9b47819..4d71591 100644
--- a/Modules/gcmodule.c
+++ b/Modules/gcmodule.c
@@ -784,7 +784,9 @@
(void)PyFrame_ClearFreeList();
(void)PyCFunction_ClearFreeList();
(void)PyTuple_ClearFreeList();
+#ifdef Py_USING_UNICODE
(void)PyUnicode_ClearFreeList();
+#endif
(void)PyInt_ClearFreeList();
(void)PyFloat_ClearFreeList();
}