Warning "<> not supported in 3.x" should be enabled only when the -3 option is set.
diff --git a/Parser/tokenizer.c b/Parser/tokenizer.c
index 4ff2b98..f59ab59 100644
--- a/Parser/tokenizer.c
+++ b/Parser/tokenizer.c
@@ -1478,7 +1478,7 @@
int c2 = tok_nextc(tok);
int token = PyToken_TwoChars(c, c2);
#ifndef PGEN
- if (token == NOTEQUAL && c == '<') {
+ if (Py_Py3kWarningFlag && token == NOTEQUAL && c == '<') {
if (PyErr_WarnExplicit(PyExc_DeprecationWarning,
"<> not supported in 3.x",
tok->filename, tok->lineno,