[CodeStyle] trim trailing whitespace in yaml and hook (#46080)

* [CodeStyle] trim trailing whitespace in yaml and hook

* python incremental whitespace and yml files

.github/ISSUE_TEMPLATE/1_bug-report.yml

@@ -8,14 +8,14 @@ body:
   attributes:
     value: >
       #### 在向Paddle报bug之前，请先查询[历史issue](https://github.com/PaddlePaddle/Paddle/issues)是否报过同样的bug。
-      
+
       #### Before submitting a bug, please make sure the issue hasn't been already addressed by searching through [the existing and past issues](https://github.com/PaddlePaddle/Paddle/issues).
 
 - type: textarea
   id: code
   attributes:
-    label: bug描述 Describe the Bug 
-    description:  | 
+    label: bug描述 Describe the Bug
+    description:  |
       请清晰简洁的描述这个bug，最好附上bug复现环境、bug复现步骤及最小代码集，以便我们可以通过运行代码来重现错误。代码片段需要尽可能简洁，请花些时间去掉不相关的代码以帮助我们有效地调试。我们希望通过复制代码并运行得到与你相同的结果，请避免任何外部数据或包含相关的导入等。例如：
       ```python
       # 导入所有必要的库。 All necessary imports at the beginning.
@@ -27,16 +27,16 @@ body:
       b = paddle.rand(shape=[1,4])
       a.stop_gradient = False
       b.stop_gradient = False
-      
+
       c = paddle.zeros((4, 4))
       c[0, :] = a/b
-      
+
       print('Is c requires grad: ', not c.stop_gradient) # 注意：这里出现了bug，期望requires_grad=True
       ```
       如果代码太长，请将可执行代码放到[AIStudio](https://aistudio.baidu.com/aistudio/index)中并将项目设置为公开（或者放到github gist上），请在项目中描述清楚bug复现步骤，在issue中描述期望结果与实际结果。
       如果你报告的是一个报错信息，请将完整回溯的报错贴在这里，并使用 ` ```三引号块``` `展示错误信息。
-      
-      
+
+
     placeholder: |
       请清晰简洁的描述这个bug。A clear and concise description of what the bug is.
 
@@ -48,8 +48,8 @@ body:
       带有完整回溯的报错信息。 The error message you got, with the full traceback.
       ```
   validations:
-    required: true 
-    
+    required: true
+
 - type: textarea
   id: others
   attributes:
@@ -59,7 +59,7 @@ body:
       If you have anything else to add, please write it here.
   validations:
     required: false
-    
+
 - type: markdown
   attributes:
     value: >

.github/ISSUE_TEMPLATE/2_feature-request.yml

@@ -7,9 +7,9 @@ body:
   attributes:
     value: >
       #### 你可以在这里提出你对Paddle框架的新需求，包括但不限于：功能或模型缺失、功能不全或无法使用、精度/性能不符合预期等。
-      
+
       #### You could submit a request for a new Paddle feature here, including but not limited to: new features or models, incomplete or unusable features, accuracy/performance not as expected, etc.
-      
+
 - type: textarea
   id: description
   attributes:
@@ -20,7 +20,7 @@ body:
     value: "任务目标（请描述你正在做的项目是什么，如模型、论文、项目是什么？）; <br /> 需求场景（请描述你的项目中为什么需要用此功能）;  <br /> 功能描述（请简单描述或设计这个功能）"
   validations:
     required: true
-    
+
 - type: textarea
   id: alternatives
   attributes:
@@ -30,7 +30,7 @@ body:
       A description of any alternative solutions or features you've considered, if any.
   validations:
     required: false
-    
+
 - type: markdown
   attributes:
     value: >

.github/ISSUE_TEMPLATE/3_build-installation-issue.yml

@@ -7,8 +7,8 @@ body:
   attributes:
     value: >
       #### 安装请参考[官网文档](https://www.paddlepaddle.org.cn/install/quick?docurl=/documentation/docs/zh/develop/install/pip/linux-pip.html)，若未能解决你的问题，你可以在这里提issue。
-      
-      #### Before submitting a Build/Installation Issue, please make sure you have visited the [official website](https://www.paddlepaddle.org.cn/documentation/docs/en/install/index_en.html).     
+
+      #### Before submitting a Build/Installation Issue, please make sure you have visited the [official website](https://www.paddlepaddle.org.cn/documentation/docs/en/install/index_en.html).
 
 - type: textarea
   id: error
@@ -19,7 +19,7 @@ body:
       Please describe your problem in detail, and synchronously post the error message, key log/code snippet, and reproduction steps, so that we can quickly troubleshoot the problem.
   validations:
     required: true
-    
+
 - type: textarea
   id: environment
   attributes:
@@ -41,24 +41,24 @@ body:
       6. （可选）若安装过程遇到问题，请提供安装方式（pip/conda/docker/源码编译）和相应的安装命令。
       7. （可选）若使用paddle过程中，遇到了无法使用gpu相关问题，请在命令行中键入`nvidia-smi`和`nvcc -V`，提供这两个命令输出的截图。
       8. （可选）若使用特殊硬件，请单独注明。
-      
-     
+
+
     placeholder: |
       ****************************************
-      Paddle version: 
-      Paddle With CUDA: 
-    
-      OS: 
-      Python version: 
-    
-      CUDA version: 
-      cuDNN version: 
-      Nvidia driver version: 
+      Paddle version:
+      Paddle With CUDA:
+
+      OS:
+      Python version:
+
+      CUDA version:
+      cuDNN version:
+      Nvidia driver version:
       ****************************************
   validations:
     required: true
-    
-    
+
+
 - type: markdown
   attributes:
     value: >

.github/ISSUE_TEMPLATE/4_documentation-issue.yml

@@ -7,7 +7,7 @@ body:
   attributes:
     value: >
       #### 请确认反馈的问题来自PaddlePaddle官网文档：https://www.paddlepaddle.org.cn/ 。
-      
+
       #### Before submitting a Documentation Issue, Please make sure that issue is related to https://www.paddlepaddle.org.cn/.
 
 - type: textarea
@@ -28,12 +28,11 @@ body:
     description: |
       请告诉我们，你希望如何改进这个文档。或者你可以提个PR修复这个问题。[教程参考](https://github.com/PaddlePaddle/docs/wiki#%E8%B4%A1%E7%8C%AE%E6%96%87%E6%A1%A3)
       Please tell us how you would like to improve this document. Or you can submit a PR to fix this problem.
-      
+
   validations:
     required: false
-    
+
 - type: markdown
   attributes:
     value: >
       感谢你的贡献 🎉！Thanks for your contribution 🎉!
-

.github/ISSUE_TEMPLATE/5_ask-a-question.yml

@@ -7,23 +7,23 @@ body:
   attributes:
     value: >
       #### 你可以在这里提出一个使用/咨询问题，提问之前请确保：
-      
+
       - 1）已经百度/谷歌搜索过你的问题，但是没有找到解答；
-      
+
       - 2）已经在官网查询过[API文档](https://www.paddlepaddle.org.cn/documentation/docs/zh/api/index_cn.html)与[FAQ](https://www.paddlepaddle.org.cn/documentation/docs/zh/faq/index_cn.html)，但是没有找到解答；
-      
+
       - 3）已经在[历史issue](https://github.com/PaddlePaddle/Paddle/issues)中搜索过，没有找到同类issue或issue未被解答。
-      
-      
+
+
       #### You could ask a usage or consultation question here, before your start, please make sure:
-      
+
       - 1) You have searched your question on Baidu/Google, but found no answer;
-      
+
       - 2) You have checked the [API documentation](https://www.paddlepaddle.org.cn/documentation/docs/en/api/index_en.html), but found no answer;
-      
+
       - 3) You have searched [the existing and past issues](https://github.com/PaddlePaddle/Paddle/issues), but found no similar issue or the issue has not been answered.
-      
-      
+
+
 
 - type: textarea
   id: question

.github/ISSUE_TEMPLATE/6_others.yml

@@ -7,7 +7,7 @@ body:
   attributes:
     value: >
       #### 你可以在这里提出任何前面几类模板不适用的问题，包括但不限于：优化性建议、框架使用体验反馈、版本兼容性问题、报错信息不清楚等。
-      
+
       #### You can report any issues that are not applicable to the previous types of templates, including but not limited to: enhancement suggestions, feedback on the use of the framework, version compatibility issues, unclear error information, etc.
 
 - type: textarea
@@ -16,11 +16,8 @@ body:
     label: 问题描述 Please describe your issue
   validations:
     required: true
-    
+
 - type: markdown
   attributes:
     value: >
       感谢你的贡献 🎉！ Thanks for your contribution 🎉!
-
-
-

paddle/phi/api/yaml/backward.yaml

@@ -114,7 +114,7 @@
     param : [out]
   kernel :
     func : erfinv_grad
-    
+
 - backward_op : fft_c2c_grad
   forward: fft_c2c(Tensor x, int64_t[] axes, str normalization, bool forward) -> Tensor(out)
   args : (Tensor out_grad, int64_t[] axes, str normalization, bool forward)

python/paddle/autograd/saved_tensors_hooks.py

@@ -20,10 +20,10 @@ __all__ = []
 class saved_tensors_hooks():
     """
     Dynamic graph, registers a pair of pack / unpack hooks for saved tensors.
-    
+
     Parameters:
         pack_hook (function): The pack hook will be called every time the forward
-            operation inputs/outputs tensors need be saved for backward. Then you 
+            operation inputs/outputs tensors need be saved for backward. Then you
             can save it to CPU or Disk. The input of `pack_hook` is a tensor need
             be saved. The output of `pack_hook` is then stored information instead
             of the original tensor. `pack_hook` will also be called while any
@@ -36,7 +36,7 @@ class saved_tensors_hooks():
             the tensor and return it to paddle framework. The input of `unpack_hook`
             is the information returned by `pack_hook`. The output of `unpack_hook`
             is a tensor reloaded by the information, and the tensor mast has the same
-            content as the original tensor passed as input to the corresponding 
+            content as the original tensor passed as input to the corresponding
             `pack_hook`.
 
     Returns:

python/paddle/distributed/auto_parallel/process_mesh.py

@@ -41,19 +41,19 @@ def reset_current_process_mesh():
 
 class ProcessMesh(object):
     """
-    The `Processmesh` object describes the topology of the used processes. 
+    The `Processmesh` object describes the topology of the used processes.
 
     Args:
         mesh (list|numpy.array): an n-dimensional array describes the toplogy
             of the processes.
         dim_names (list, optional): the i-th element of this list gives the name of the
             i-th dimension of the mesh.
-    
+
     Examples:
         .. code-block:: python
 
             import paddle
-            
+
             mesh = auto.ProcessMesh([[2, 4, 5], [0, 1, 3]], dim_names=["x", "y"])
             assert mesh.shape == [2, 3]
             assert mesh.processe_ids == [2, 4, 5, 0, 1, 3]

python/paddle/fluid/tests/unittests/ps/cpu_async_ps_config.yaml

@@ -29,7 +29,5 @@ runner:
   sync_mode: "async"  # sync / async / geo / heter
   thread_num: 16
   use_gpu: 0
-  
-  model_path: "../ps_dnn_model.py"
 
-  
+  model_path: "../ps_dnn_model.py"

python/paddle/fluid/tests/unittests/ps/cpu_geo_ps_config.yaml

@@ -30,7 +30,5 @@ runner:
   sync_mode: "geo"
   thread_num: 16
   use_gpu: 0
-  
-  model_path: "../ps_dnn_model.py"
 
-  
+  model_path: "../ps_dnn_model.py"

python/paddle/fluid/tests/unittests/ps/cpu_sync_ps_config.yaml

@@ -29,7 +29,5 @@ runner:
   sync_mode: "sync"
   thread_num: 16
   use_gpu: 0
-  
-  model_path: "../ps_dnn_model.py"
 
-  
+  model_path: "../ps_dnn_model.py"

python/paddle/fluid/tests/unittests/ps/fl_async_ps_config.yaml

@@ -33,7 +33,5 @@ runner:
   batch_size: 2
   train_files_path: "./train_data"
   epoch_num: 4
-  
-  model_path: "../ps_dnn_model.py"
 
-  
+  model_path: "../ps_dnn_model.py"

python/paddle/fluid/tests/unittests/ps/gpu_ps_config.yaml

@@ -31,7 +31,5 @@ runner:
   sync_mode: "gpubox"
   thread_num: 16
   use_gpu: 1
-  
-  model_path: "../ps_dnn_model.py"
 
-  
+  model_path: "../ps_dnn_model.py"

python/paddle/fluid/tests/unittests/ps/heter_ps_config.yaml

@@ -30,7 +30,5 @@ runner:
   thread_num: 8
   micro_num: 8  # micro batch num for each thread
   pipeline: True
-  
-  model_path: "../ps_dnn_model.py"
 
-  
+  model_path: "../ps_dnn_model.py"

tools/codestyle/clang_format.hook

@@ -6,14 +6,14 @@ readonly VERSION="13.0.0"
 version=$(clang-format -version)
 
 if ! [[ $(python -V 2>&1 | awk '{print $2}' | awk -F '.' '{print $1$2}') -ge 36 ]]; then
-    echo "clang-format installation by pip need python version great equal 3.6, 
+    echo "clang-format installation by pip need python version great equal 3.6,
           please change the default python to higher version."
     exit 1
 fi
 
 if ! [[ $version == *"$VERSION"* ]]; then
     # low version of pip may not have the source of clang-format whl
-    pip install --upgrade pip 
+    pip install --upgrade pip
     pip install clang-format==13.0.0
 fi
 

tools/codestyle/cpplint_pre_commit.hook

@@ -11,10 +11,10 @@ if [[ ! $TRAVIS_BRANCH ]]; then
   if ! [[ $version == *"$VERSION"* ]]; then
     pip install cpplint==1.6.0
   fi
-  # diff files on local machine. 
+  # diff files on local machine.
   files=$(git diff --cached --name-status | awk '$1 != "D" {print $2}')
 else
-  # diff files between PR and latest commit on Travis CI. 
+  # diff files between PR and latest commit on Travis CI.
   branch_ref=$(git rev-parse "$TRAVIS_BRANCH")
   head_ref=$(git rev-parse HEAD)
   files=$(git diff --name-status $branch_ref $head_ref | awk '$1 != "D" {print $2}')