wrap line
diff --git a/Include/warnings.h b/Include/warnings.h
index 79ef9f3..0818d7a 100644
--- a/Include/warnings.h
+++ b/Include/warnings.h
@@ -10,7 +10,8 @@
PyAPI_FUNC(int) PyErr_WarnExplicit(PyObject *, const char *, const char *, int,
const char *, PyObject *);
-#define PyErr_WarnPy3k(msg, stacklevel) (Py_Py3kWarningFlag ? PyErr_WarnEx(PyExc_DeprecationWarning, msg, stacklevel) : 0)
+#define PyErr_WarnPy3k(msg, stacklevel) \
+ (Py_Py3kWarningFlag ? PyErr_WarnEx(PyExc_DeprecationWarning, msg, stacklevel) : 0)
/* DEPRECATED: Use PyErr_WarnEx() instead. */
#define PyErr_Warn(category, msg) PyErr_WarnEx(category, msg, 1)