We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
Bump VisPy version?
Should we bump the version to 0.4.0-dev or something? Currently it is 0.3.0, which doesn't seem right.


--- END ISSUE ---

Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
--- BEGIN FILES ---
Path: `vispy/__init__.py`
Content:
```
1 # -*- coding: utf-8 -*-
2 # Copyright (c) 2014, Vispy Development Team.
3 # Distributed under the (new) BSD License. See LICENSE.txt for more info.
4 
5 """
6 
7 =====
8 Vispy
9 =====
10 
11 Vispy is a **high-performance interactive 2D/3D data visualization
12 library**. Vispy leverages the computational power of modern **Graphics
13 Processing Units (GPUs)** through the **OpenGL** library to display very
14 large datasets.
15 
16 For more information, see http://vispy.org.
17 
18 """
19 
20 from __future__ import division
21 
22 __all__ = ['use', 'sys_info', 'set_log_level', 'test']
23 
24 # Definition of the version number
25 version_info = 0, 3, 0, ''  # major, minor, patch, extra
26 
27 # Nice string for the version (mimic how IPython composes its version str)
28 __version__ = '-'.join(map(str, version_info)).replace('-', '.', 2).strip('-')
29 
30 from .util import config, set_log_level, keys, sys_info  # noqa
31 from .util.wrappers import use  # noqa
32 from .testing import test  # noqa
33
```
--- 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/vispy/__init__.py b/vispy/__init__.py
--- a/vispy/__init__.py
+++ b/vispy/__init__.py
@@ -22,7 +22,7 @@
 __all__ = ['use', 'sys_info', 'set_log_level', 'test']
 
 # Definition of the version number
-version_info = 0, 3, 0, ''  # major, minor, patch, extra
+version_info = 0, 4, 0, 'dev'  # major, minor, patch, extra
 
 # Nice string for the version (mimic how IPython composes its version str)
 __version__ = '-'.join(map(str, version_info)).replace('-', '.', 2).strip('-')

{"golden_diff": "diff --git a/vispy/__init__.py b/vispy/__init__.py\n--- a/vispy/__init__.py\n+++ b/vispy/__init__.py\n@@ -22,7 +22,7 @@\n __all__ = ['use', 'sys_info', 'set_log_level', 'test']\n \n # Definition of the version number\n-version_info = 0, 3, 0, ''  # major, minor, patch, extra\n+version_info = 0, 4, 0, 'dev'  # major, minor, patch, extra\n \n # Nice string for the version (mimic how IPython composes its version str)\n __version__ = '-'.join(map(str, version_info)).replace('-', '.', 2).strip('-')\n", "issue": "Bump VisPy version?\nShould we bump the version to 0.4.0-dev or something? Currently it is 0.3.0, which doesn't seem right.\n\n", "before_files": [{"content": "# -*- coding: utf-8 -*-\n# Copyright (c) 2014, Vispy Development Team.\n# Distributed under the (new) BSD License. See LICENSE.txt for more info.\n\n\"\"\"\n\n=====\nVispy\n=====\n\nVispy is a **high-performance interactive 2D/3D data visualization\nlibrary**. Vispy leverages the computational power of modern **Graphics\nProcessing Units (GPUs)** through the **OpenGL** library to display very\nlarge datasets.\n\nFor more information, see http://vispy.org.\n\n\"\"\"\n\nfrom __future__ import division\n\n__all__ = ['use', 'sys_info', 'set_log_level', 'test']\n\n# Definition of the version number\nversion_info = 0, 3, 0, ''  # major, minor, patch, extra\n\n# Nice string for the version (mimic how IPython composes its version str)\n__version__ = '-'.join(map(str, version_info)).replace('-', '.', 2).strip('-')\n\nfrom .util import config, set_log_level, keys, sys_info  # noqa\nfrom .util.wrappers import use  # noqa\nfrom .testing import test  # noqa\n", "path": "vispy/__init__.py"}], "after_files": [{"content": "# -*- coding: utf-8 -*-\n# Copyright (c) 2014, Vispy Development Team.\n# Distributed under the (new) BSD License. See LICENSE.txt for more info.\n\n\"\"\"\n\n=====\nVispy\n=====\n\nVispy is a **high-performance interactive 2D/3D data visualization\nlibrary**. Vispy leverages the computational power of modern **Graphics\nProcessing Units (GPUs)** through the **OpenGL** library to display very\nlarge datasets.\n\nFor more information, see http://vispy.org.\n\n\"\"\"\n\nfrom __future__ import division\n\n__all__ = ['use', 'sys_info', 'set_log_level', 'test']\n\n# Definition of the version number\nversion_info = 0, 4, 0, 'dev'  # major, minor, patch, extra\n\n# Nice string for the version (mimic how IPython composes its version str)\n__version__ = '-'.join(map(str, version_info)).replace('-', '.', 2).strip('-')\n\nfrom .util import config, set_log_level, keys, sys_info  # noqa\nfrom .util.wrappers import use  # noqa\nfrom .testing import test  # noqa\n", "path": "vispy/__init__.py"}]}