From eb0ca3b719b1972e8f102aa186355185518c1dc6 Mon Sep 17 00:00:00 2001
From: Aurelius84 <zhangliujie@baidu.com>
Date: Fri, 15 May 2020 12:43:31 +0800
Subject: [PATCH] [Dy2stat] Fix function lookup bug in convert_call (#24567)
 (#24571)

* fix convert call globals_funcs test=develop

* add import statement test=develop
---
 .../fluid/dygraph/dygraph_to_static/convert_call_func.py | 5 ++++-
 .../dygraph/dygraph_to_static/program_translator.py      | 9 +++++----
 2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/python/paddle/fluid/dygraph/dygraph_to_static/convert_call_func.py b/python/paddle/fluid/dygraph/dygraph_to_static/convert_call_func.py
index 5aa0ffb3e4d..1532d5be377 100644
--- a/python/paddle/fluid/dygraph/dygraph_to_static/convert_call_func.py
+++ b/python/paddle/fluid/dygraph/dygraph_to_static/convert_call_func.py
@@ -102,7 +102,10 @@ def convert_call(func):
         if func.__name__ == '<lambda>':
             return func
         try:
-            if func in func.__globals__.values():
+            global_funcs = set([
+                fn for fn in func.__globals__.values() if inspect.isfunction(fn)
+            ])
+            if func in global_funcs:
                 converted_call = to_static_func(func)
                 func_self = getattr(func, '__self__', None)
         except AttributeError:
diff --git a/python/paddle/fluid/dygraph/dygraph_to_static/program_translator.py b/python/paddle/fluid/dygraph/dygraph_to_static/program_translator.py
index 908250666ed..b8730b6af80 100644
--- a/python/paddle/fluid/dygraph/dygraph_to_static/program_translator.py
+++ b/python/paddle/fluid/dygraph/dygraph_to_static/program_translator.py
@@ -368,9 +368,10 @@ class ProgramTranslator(object):
 
                 prog_trans = fluid.dygraph.ProgramTranslator()
 
-                x = np.ones([1, 2])
-                x_v = prog_trans.get_output(func, x)
-                print(x_v.numpy()) # [[0. 0.]]
+                with fluid.dygraph.guard():
+                    x = np.ones([1, 2])
+                    x_v = prog_trans.get_output(func, x)
+                    print(x_v.numpy()) # [[0. 0.]]
 
         """
         assert callable(
@@ -472,7 +473,7 @@ class ProgramTranslator(object):
                 x = np.ones([1, 2])
                 main_prog, start_prog, inputs, outputs = prog_trans.get_program(func, x)
                 print([i.name for i in inputs])
-                # ['x_0'] the feed input variable name representing x
+                # ['feed_0'] the feed input variable name representing x
                 print([o.name for o in outputs])
                 # ['_generated_var_4'] the fetch output variable name representing x_v        
 
-- 
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