bug fix (#23193)

test=develop

bug fix (#23193)
test=develop
27870412 · songyouwei · GitHub · b8886bf1 · 27870412
隐藏空白更改
内联并排

Showing with 3 addition and 2 deletion

python/paddle/fluid/dygraph/base.py python/paddle/fluid/dygraph/base.py +3 -2

未找到文件。
--- a/python/paddle/fluid/dygraph/base.py
+++ b/python/paddle/fluid/dygraph/base.py
@@ -105,8 +105,9 @@ def enable_dygraph(place=None):
            print(fluid.in_dygraph_mode())  # False
    """
    global _functional_dygraph_context_manager
-    _functional_dygraph_context_manager = guard(place=place)
-    _functional_dygraph_context_manager.__enter__()
+    if _functional_dygraph_context_manager is None:
+        _functional_dygraph_context_manager = guard(place=place)
+        _functional_dygraph_context_manager.__enter__()


 def disable_dygraph():