From 4061b1b88f72b3dc5c767d2f026a94515cf0c814 Mon Sep 17 00:00:00 2001
From: Nyakku Shigure <sigure.qaq@gmail.com>
Date: Tue, 8 Nov 2022 14:56:34 +0800
Subject: [PATCH] [CodeStyle][py2] remove the `next` method for python2
 compatibility (PEP 3114) (#47728)

---
 python/paddle/fluid/dataloader/dataloader_iter.py | 8 --------
 python/paddle/fluid/reader.py                     | 9 ---------
 2 files changed, 17 deletions(-)

diff --git a/python/paddle/fluid/dataloader/dataloader_iter.py b/python/paddle/fluid/dataloader/dataloader_iter.py
index c89c3e079f6..f248a1188bb 100644
--- a/python/paddle/fluid/dataloader/dataloader_iter.py
+++ b/python/paddle/fluid/dataloader/dataloader_iter.py
@@ -354,10 +354,6 @@ class _DataLoaderIterSingleProcess(_DataLoaderIterBase):
 
             self._thread = None
 
-    # python2 compatibility
-    def next(self):
-        return self.__next__()
-
     def _try_shutdown_all(self):
         if not self._shutdown:
             try:
@@ -854,10 +850,6 @@ class _DataLoaderIterMultiProcess(_DataLoaderIterBase):
             if in_profiler_mode():
                 trace_event.end()
 
-    # python2 compatibility
-    def next(self):
-        return self.__next__()
-
     def _on_output_batch(self):
         for _ in range(len(self._places)):
             self._batches_outstanding -= 1
diff --git a/python/paddle/fluid/reader.py b/python/paddle/fluid/reader.py
index 2ad3e5903aa..b6b774d5ba1 100644
--- a/python/paddle/fluid/reader.py
+++ b/python/paddle/fluid/reader.py
@@ -152,15 +152,6 @@ class DataLoaderBase:
     def __call__(self):
         return self
 
-    def next(self):
-        '''
-        Get the next item in the DataLoader object. This method
-        should not be called by users directly. It is used for
-        implementing iterator protocol of Python 2.x inside
-        PaddlePaddle framework.
-        '''
-        return self.__next__()
-
     def __iter__(self):
         raise NotImplementedError()
 
-- 
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