Fall back to using Py_Finalize() for Python version < 3.6

plugins/python/python_plugin_common.c

@@ -37,6 +37,11 @@ static size_t python_inittab_copy_len = 0;
 #define PLUGIN_DIR ""
 #endif
 
+/* Py_FinalizeEx is new in version 3.6 */
+#if PY_MAJOR_VERSION > 3 || PY_MINOR_VERSION < 6
+# define Py_FinalizeEx()	(Py_Finalize(), 0)
+#endif
+
 const char *
 _lookup_value(char * const keyvalues[], const char *key)
 {