update to python3.7

include/python3.7m/internal/warnings.h

@@ -0,0 +1,21 @@
+#ifndef Py_INTERNAL_WARNINGS_H
+#define Py_INTERNAL_WARNINGS_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "object.h"
+
+struct _warnings_runtime_state {
+    /* Both 'filters' and 'onceregistry' can be set in warnings.py;
+       get_warnings_attr() will reset these variables accordingly. */
+    PyObject *filters;  /* List */
+    PyObject *once_registry;  /* Dict */
+    PyObject *default_action; /* String */
+    long filters_version;
+};
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* !Py_INTERNAL_WARNINGS_H */