limit concat_op

sljlp · sljlp · commit e40c51fc7eb8 · 2022-12-03T01:18:25.000+08:00
diff --git a/python/paddle/tensor/manipulation.py b/python/paddle/tensor/manipulation.py
@@ -1127,6 +1127,10 @@ def concat(x, axis=0, name=None):
             #  [14 15 16]]
     """
     input = x
+
+    if not isinstance(input, Variable) and input[0].shape == []:
+        raise ValueError("zero-dimensional arrays cannot be concatenated")
+
     if in_dygraph_mode():
         if isinstance(axis, Variable):
             axis = axis.numpy()
