bug fix (#23193)

test=develop
5 years ago · 2787041246
parent b8886bf122
commit 2787041246
1 changed files with 3 additions and 2 deletions
--- 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():