dianfu commented on a change in pull request #15790:
URL: https://github.com/apache/flink/pull/15790#discussion_r621771601
##########
File path: docs/content.zh/docs/dev/python/table/udfs/python_udfs.md
##########
@@ -554,3 +554,11 @@ class
ListViewConcatTableAggregateFunction(TableAggregateFunction):
def get_result_type(self):
return DataTypes.ROW([DataTypes.FIELD("a", DataTypes.STRING())])
```
+
+## 打包 UDFs
+
+To run Python UDFs (as well as Pandas UDFs) in any non-local mode, it is
strongly recommended to bundle your Python UDF definitions using the config
option [`python-files`]({{< ref "docs/dev/python/python_config"
>}}#python-files), if your Python UDFs live outside of the file where the
`main()` function is defined.
Review comment:
It's not necessary to keep the English version if you have already
translated it to Chinese. The paragraph should be removed.
##########
File path: docs/content.zh/docs/dev/python/table/udfs/python_udfs.md
##########
@@ -554,3 +554,11 @@ class
ListViewConcatTableAggregateFunction(TableAggregateFunction):
def get_result_type(self):
return DataTypes.ROW([DataTypes.FIELD("a", DataTypes.STRING())])
```
+
+## 打包 UDFs
+
+To run Python UDFs (as well as Pandas UDFs) in any non-local mode, it is
strongly recommended to bundle your Python UDF definitions using the config
option [`python-files`]({{< ref "docs/dev/python/python_config"
>}}#python-files), if your Python UDFs live outside of the file where the
`main()` function is defined.
+Otherwise, you may run into `ModuleNotFoundError: No module named 'my_udf'` if
you define Python UDFs in a file called `my_udf.py`.
+
+如果你在非 local 模式下运行 Python UDFs 和 Pandas UDFs，且 Python UDFs 没有定义在含 `main()` 入口的
Python 主文件中，我们强烈建议你通过 [`python-files`]({{< ref "docs/dev/python/python_config"
>}}#python-files) 配置项将 Python UDF 的定义打包起来。
Review comment:
```suggestion
如果你在非 local 模式下运行 Python UDFs 和 Pandas UDFs，且 Python UDFs 没有定义在含 `main()`
入口的 Python 主文件中，强烈建议你通过 [`python-files`]({{< ref
"docs/dev/python/python_config" >}}#python-files) 配置项指定 Python UDF 的定义。
```
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