prompt: You will be provided with a partial code base and an issue statement explaining a problem to resolve.
  <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.
  
  
  </issue>
  <code>
  [start of vispy/__init__.py]
  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 of vispy/__init__.py]
  </code>
  
  I need you to solve this issue by generating a single patch file that I can apply directly to this repository using git apply. Please respond with a single patch file in the following format.
  <patch>
  diff --git a/file.py b/file.py
  --- a/file.py
  +++ b/file.py
  @@ -1,27 +1,35 @@
   def euclidean(a, b):
  -    while b:
  -        a, b = b, a % b
  -    return a
  +    if b == 0:
  +        return a
  +    return euclidean(b, a % b)
   
   
   def bresenham(x0, y0, x1, y1):
       points = []
       dx = abs(x1 - x0)
       dy = abs(y1 - y0)
  -    sx = 1 if x0 < x1 else -1
  -    sy = 1 if y0 < y1 else -1
  -    err = dx - dy
  +    x, y = x0, y0
  +    sx = -1 if x0 > x1 else 1
  +    sy = -1 if y0 > y1 else 1
   
  -    while True:
  -        points.append((x0, y0))
  -        if x0 == x1 and y0 == y1:
  -            break
  -        e2 = 2 * err
  -        if e2 > -dy:
  -            err -= dy
  -            x0 += sx
  -        if e2 < dx:
  -            err += dx
  -            y0 += sy
  +    if dx > dy:
  +        err = dx / 2.0
  +        while x != x1:
  +            points.append((x, y))
  +            err -= dy
  +            if err < 0:
  +                y += sy
  +                err += dx
  +            x += sx
  +    else:
  +        err = dy / 2.0
  +        while y != y1:
  +            points.append((x, y))
  +            err -= dx
  +            if err < 0:
  +                x += sx
  +                err += dy
  +            y += sy
  +
  +    points.append((x, y))
       return points
  
  </patch>
golden_diff: 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('-')
  
verification_info: {"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"}]}