szha commented on a change in pull request #19417:
URL: https://github.com/apache/incubator-mxnet/pull/19417#discussion_r526580067



##########
File path: src/c_api/c_api.cc
##########
@@ -1899,6 +1901,36 @@ int MXNDArraySave(const char* fname,
   API_END();
 }
 
+int MXNDArraySave(const char* fname,
+                  uint32_t num_args,
+                  NDArrayHandle* args,
+                  const char** keys) {
+  API_BEGIN();
+
+  CHECK_NOTNULL(fname);

Review comment:
       add meaningful error message?




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