We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
Removing astropy_helpers section in CONTRIBUTING.rst
<!-- This comments are hidden when you submit the issue so you do not need to remove them!
Please be sure to check out our contributing guidelines: https://github.com/sunpy/sunpy/blob/master/CONTRIBUTING.rst
Please be sure to check out our code of conduct:
https://github.com/sunpy/sunpy/blob/master/CODE_OF_CONDUCT.rst -->

<!-- Please have a search on our GitHub repository to see if a similar issue has already been posted.
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### Description
<!-- Provide a general description of the bug. -->
As of PR https://github.com/sunpy/sunpy/pull/3598, sunpy no longer needs `astropy_helpers`, and even it is removed from the package.
I think there should not be a section of Astropy Helpers in contribution guidelines as well.

--- END ISSUE ---

Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
--- BEGIN FILES ---
Path: `sunpy/version.py`
Content:
```
1 # This file is for compatibility with astropy_helpers
2 version = 'unknown.dev'
3 try:
4     from importlib_metadata import version as _version, PackageNotFoundError
5     version = _version('sunpy')
6 except ImportError:
7     from pkg_resources import get_distribution, DistributionNotFound
8     try:
9         version = get_distribution("sunpy").version
10     except DistributionNotFound:
11         pass
12 except PackageNotFoundError:
13     pass
14
```
--- 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/sunpy/version.py b/sunpy/version.py
deleted file mode 100644
--- a/sunpy/version.py
+++ /dev/null
@@ -1,13 +0,0 @@
-# This file is for compatibility with astropy_helpers
-version = 'unknown.dev'
-try:
-    from importlib_metadata import version as _version, PackageNotFoundError
-    version = _version('sunpy')
-except ImportError:
-    from pkg_resources import get_distribution, DistributionNotFound
-    try:
-        version = get_distribution("sunpy").version
-    except DistributionNotFound:
-        pass
-except PackageNotFoundError:
-    pass

{"golden_diff": "diff --git a/sunpy/version.py b/sunpy/version.py\ndeleted file mode 100644\n--- a/sunpy/version.py\n+++ /dev/null\n@@ -1,13 +0,0 @@\n-# This file is for compatibility with astropy_helpers\n-version = 'unknown.dev'\n-try:\n-    from importlib_metadata import version as _version, PackageNotFoundError\n-    version = _version('sunpy')\n-except ImportError:\n-    from pkg_resources import get_distribution, DistributionNotFound\n-    try:\n-        version = get_distribution(\"sunpy\").version\n-    except DistributionNotFound:\n-        pass\n-except PackageNotFoundError:\n-    pass\n", "issue": "Removing astropy_helpers section in CONTRIBUTING.rst\n<!-- This comments are hidden when you submit the issue so you do not need to remove them!\r\nPlease be sure to check out our contributing guidelines: https://github.com/sunpy/sunpy/blob/master/CONTRIBUTING.rst\r\nPlease be sure to check out our code of conduct:\r\nhttps://github.com/sunpy/sunpy/blob/master/CODE_OF_CONDUCT.rst -->\r\n\r\n<!-- Please have a search on our GitHub repository to see if a similar issue has already been posted.\r\nIf a similar issue is closed, have a quick look to see if you are satisfied by the resolution.\r\nIf not please go ahead and open an issue! -->\r\n\r\n### Description\r\n<!-- Provide a general description of the bug. -->\r\nAs of PR https://github.com/sunpy/sunpy/pull/3598, sunpy no longer needs `astropy_helpers`, and even it is removed from the package.\r\nI think there should not be a section of Astropy Helpers in contribution guidelines as well.\n", "before_files": [{"content": "# This file is for compatibility with astropy_helpers\nversion = 'unknown.dev'\ntry:\n    from importlib_metadata import version as _version, PackageNotFoundError\n    version = _version('sunpy')\nexcept ImportError:\n    from pkg_resources import get_distribution, DistributionNotFound\n    try:\n        version = get_distribution(\"sunpy\").version\n    except DistributionNotFound:\n        pass\nexcept PackageNotFoundError:\n    pass\n", "path": "sunpy/version.py"}], "after_files": [{"content": null, "path": "sunpy/version.py"}]}