Refine fake_interface Error Message (#30981)

Refine fake_interface Error Message

python/paddle/fluid/framework.py

@@ -248,8 +248,9 @@ def _fake_interface_only_(func):
         raise AssertionError(
             "'%s' should be called by imperative Varible in imperative mode, please run it in dygraph "
             "mode. You can turn off paddle.enable_static() if you are in static mode, or turn off "
-            "ProgramTranslator if you are using @paddle.jit.to_static" %
-            func.__name__)
+            "ProgramTranslator if you are using @paddle.jit.to_static. If you have to run ProgramTranslator, "
+            "please use other API to replace '%s'" % (func.__name__,
+                                                      func.__name__))
 
     return __impl__
 

python/paddle/fluid/tests/unittests/test_detach.py

@@ -162,7 +162,8 @@ class Test_Detach(unittest.TestCase):
                 "in imperative mode, please run it in dygraph mode. You can "
                 "turn off paddle.enable_static() if you are in static mode, "
                 "or turn off ProgramTranslator if you are using "
-                "@paddle.jit.to_static")
+                "@paddle.jit.to_static. If you have to run ProgramTranslator, "
+                "please use other API to replace 'detach'")
 
 
 class TestInplace(unittest.TestCase):