We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
Document modin.experimental.sklearn
This should include docstrings and purposes of everything inside modin.experimental.sklearn.

--- END ISSUE ---

Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
--- BEGIN FILES ---
Path: `modin/experimental/sklearn/model_selection/__init__.py`
Content:
```
1 # Licensed to Modin Development Team under one or more contributor license agreements.
2 # See the NOTICE file distributed with this work for additional information regarding
3 # copyright ownership.  The Modin Development Team licenses this file to you under the
4 # Apache License, Version 2.0 (the "License"); you may not use this file except in
5 # compliance with the License.  You may obtain a copy of the License at
6 #
7 #     http://www.apache.org/licenses/LICENSE-2.0
8 #
9 # Unless required by applicable law or agreed to in writing, software distributed under
10 # the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
11 # ANY KIND, either express or implied. See the License for the specific language
12 # governing permissions and limitations under the License.
13 
14 from .train_test_split import train_test_split
15 
16 __all__ = ["train_test_split"]
17
```

Path: `modin/experimental/sklearn/__init__.py`
Content:
```
1 # Licensed to Modin Development Team under one or more contributor license agreements.
2 # See the NOTICE file distributed with this work for additional information regarding
3 # copyright ownership.  The Modin Development Team licenses this file to you under the
4 # Apache License, Version 2.0 (the "License"); you may not use this file except in
5 # compliance with the License.  You may obtain a copy of the License at
6 #
7 #     http://www.apache.org/licenses/LICENSE-2.0
8 #
9 # Unless required by applicable law or agreed to in writing, software distributed under
10 # the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
11 # ANY KIND, either express or implied. See the License for the specific language
12 # governing permissions and limitations under the License.
13
```
--- END FILES ---

Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.

Here is an example:

```diff
diff --git a/examples/server_async.py b/examples/server_async.py
--- a/examples/server_async.py
+++ b/examples/server_async.py
@@ -313,4 +313,4 @@
 
 
 if __name__ == "__main__":
-    asyncio.run(run_async_server("."), debug=True)
+    asyncio.run(run_async_server(), debug=True)
diff --git a/examples/server_sync.py b/examples/server_sync.py
--- a/examples/server_sync.py
+++ b/examples/server_sync.py
@@ -313,5 +313,5 @@
 
 
 if __name__ == "__main__":
-    server = run_sync_server(".")
+    server = run_sync_server()
     server.shutdown()

```

diff --git a/modin/experimental/sklearn/__init__.py b/modin/experimental/sklearn/__init__.py
--- a/modin/experimental/sklearn/__init__.py
+++ b/modin/experimental/sklearn/__init__.py
@@ -10,3 +10,5 @@
 # the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
 # ANY KIND, either express or implied. See the License for the specific language
 # governing permissions and limitations under the License.
+
+"""Module holds experimental scikit-learn specific functionality for Modin."""
diff --git a/modin/experimental/sklearn/model_selection/__init__.py b/modin/experimental/sklearn/model_selection/__init__.py
--- a/modin/experimental/sklearn/model_selection/__init__.py
+++ b/modin/experimental/sklearn/model_selection/__init__.py
@@ -11,6 +11,8 @@
 # ANY KIND, either express or implied. See the License for the specific language
 # governing permissions and limitations under the License.
 
+"""Module holds model selection specific functionality."""
+
 from .train_test_split import train_test_split
 
 __all__ = ["train_test_split"]

{"golden_diff": "diff --git a/modin/experimental/sklearn/__init__.py b/modin/experimental/sklearn/__init__.py\n--- a/modin/experimental/sklearn/__init__.py\n+++ b/modin/experimental/sklearn/__init__.py\n@@ -10,3 +10,5 @@\n # the License is distributed on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF\n # ANY KIND, either express or implied. See the License for the specific language\n # governing permissions and limitations under the License.\n+\n+\"\"\"Module holds experimental scikit-learn specific functionality for Modin.\"\"\"\ndiff --git a/modin/experimental/sklearn/model_selection/__init__.py b/modin/experimental/sklearn/model_selection/__init__.py\n--- a/modin/experimental/sklearn/model_selection/__init__.py\n+++ b/modin/experimental/sklearn/model_selection/__init__.py\n@@ -11,6 +11,8 @@\n # ANY KIND, either express or implied. See the License for the specific language\n # governing permissions and limitations under the License.\n \n+\"\"\"Module holds model selection specific functionality.\"\"\"\n+\n from .train_test_split import train_test_split\n \n __all__ = [\"train_test_split\"]\n", "issue": "Document modin.experimental.sklearn\nThis should include docstrings and purposes of everything inside modin.experimental.sklearn.\n", "before_files": [{"content": "# Licensed to Modin Development Team under one or more contributor license agreements.\n# See the NOTICE file distributed with this work for additional information regarding\n# copyright ownership.  The Modin Development Team licenses this file to you under the\n# Apache License, Version 2.0 (the \"License\"); you may not use this file except in\n# compliance with the License.  You may obtain a copy of the License at\n#\n#     http://www.apache.org/licenses/LICENSE-2.0\n#\n# Unless required by applicable law or agreed to in writing, software distributed under\n# the License is distributed on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF\n# ANY KIND, either express or implied. See the License for the specific language\n# governing permissions and limitations under the License.\n\nfrom .train_test_split import train_test_split\n\n__all__ = [\"train_test_split\"]\n", "path": "modin/experimental/sklearn/model_selection/__init__.py"}, {"content": "# Licensed to Modin Development Team under one or more contributor license agreements.\n# See the NOTICE file distributed with this work for additional information regarding\n# copyright ownership.  The Modin Development Team licenses this file to you under the\n# Apache License, Version 2.0 (the \"License\"); you may not use this file except in\n# compliance with the License.  You may obtain a copy of the License at\n#\n#     http://www.apache.org/licenses/LICENSE-2.0\n#\n# Unless required by applicable law or agreed to in writing, software distributed under\n# the License is distributed on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF\n# ANY KIND, either express or implied. See the License for the specific language\n# governing permissions and limitations under the License.\n", "path": "modin/experimental/sklearn/__init__.py"}], "after_files": [{"content": "# Licensed to Modin Development Team under one or more contributor license agreements.\n# See the NOTICE file distributed with this work for additional information regarding\n# copyright ownership.  The Modin Development Team licenses this file to you under the\n# Apache License, Version 2.0 (the \"License\"); you may not use this file except in\n# compliance with the License.  You may obtain a copy of the License at\n#\n#     http://www.apache.org/licenses/LICENSE-2.0\n#\n# Unless required by applicable law or agreed to in writing, software distributed under\n# the License is distributed on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF\n# ANY KIND, either express or implied. See the License for the specific language\n# governing permissions and limitations under the License.\n\n\"\"\"Module holds model selection specific functionality.\"\"\"\n\nfrom .train_test_split import train_test_split\n\n__all__ = [\"train_test_split\"]\n", "path": "modin/experimental/sklearn/model_selection/__init__.py"}, {"content": "# Licensed to Modin Development Team under one or more contributor license agreements.\n# See the NOTICE file distributed with this work for additional information regarding\n# copyright ownership.  The Modin Development Team licenses this file to you under the\n# Apache License, Version 2.0 (the \"License\"); you may not use this file except in\n# compliance with the License.  You may obtain a copy of the License at\n#\n#     http://www.apache.org/licenses/LICENSE-2.0\n#\n# Unless required by applicable law or agreed to in writing, software distributed under\n# the License is distributed on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF\n# ANY KIND, either express or implied. See the License for the specific language\n# governing permissions and limitations under the License.\n\n\"\"\"Module holds experimental scikit-learn specific functionality for Modin.\"\"\"\n", "path": "modin/experimental/sklearn/__init__.py"}]}