Polish PyReader

6a46c079 · yuyang18 · b048ddf0 · 6a46c079
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Showing with 5 addition and 1 deletion

python/paddle/fluid/layers/io.py python/paddle/fluid/layers/io.py +5 -1

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--- a/python/paddle/fluid/layers/io.py
+++ b/python/paddle/fluid/layers/io.py
@@ -545,7 +545,11 @@ def py_reader(capacity,
    reader = monkey_patch_reader_methods(main_prog_var)
    if use_double_buffer:
-        reader = double_buffer(reader, name=double_buffer_name)
+        double_buffer_reader = double_buffer(reader, name=double_buffer_name)
+        # we return a double buffer reader. However, the reset method comes from
+        # py_reader.
+        double_buffer_reader.reset = reader.reset
+        reader = double_buffer_reader
    return reader, feed_queue