prompt: You will be provided with a partial code base and an issue statement explaining a problem to resolve.
  <issue>
  A small Bug in setup.py
  In `install_requires` of `setup.py` the library `colour` is mentioned twice. This needed to be changed.
  
  </issue>
  <code>
  [start of setup.py]
  1 from setuptools import setup, find_namespace_packages
  2 setup(
  3     name="manimlib",
  4     version="0.2.0",
  5     description="Animation engine for explanatory math videos",
  6     license="MIT",
  7     packages=find_namespace_packages(),
  8     package_data={ "manim": ["*.tex"] },
  9     entry_points={
  10         "console_scripts": [
  11             "manim=manim:main",
  12             "manimcm=manim:main",
  13         ]
  14     },
  15     install_requires=[
  16         "colour",
  17         "argparse",
  18         "colour",
  19         "numpy",
  20         "Pillow",
  21         "progressbar",
  22         "scipy",
  23         "tqdm",
  24         "opencv-python",
  25         "pycairo",
  26         "pydub",
  27         "pygments",
  28         "pyreadline; sys_platform == 'win32'",
  29         "rich"
  30     ],
  31 )
  32
  [end of setup.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/setup.py b/setup.py
  --- a/setup.py
  +++ b/setup.py
  @@ -13,7 +13,6 @@
           ]
       },
       install_requires=[
  -        "colour",
           "argparse",
           "colour",
           "numpy",
  
verification_info: {"golden_diff": "diff --git a/setup.py b/setup.py\n--- a/setup.py\n+++ b/setup.py\n@@ -13,7 +13,6 @@\n         ]\n     },\n     install_requires=[\n-        \"colour\",\n         \"argparse\",\n         \"colour\",\n         \"numpy\",\n", "issue": "A small Bug in setup.py\nIn `install_requires` of `setup.py` the library `colour` is mentioned twice. This needed to be changed.\n", "before_files": [{"content": "from setuptools import setup, find_namespace_packages\nsetup(\n    name=\"manimlib\",\n    version=\"0.2.0\",\n    description=\"Animation engine for explanatory math videos\",\n    license=\"MIT\",\n    packages=find_namespace_packages(),\n    package_data={ \"manim\": [\"*.tex\"] },\n    entry_points={\n        \"console_scripts\": [\n            \"manim=manim:main\",\n            \"manimcm=manim:main\",\n        ]\n    },\n    install_requires=[\n        \"colour\",\n        \"argparse\",\n        \"colour\",\n        \"numpy\",\n        \"Pillow\",\n        \"progressbar\",\n        \"scipy\",\n        \"tqdm\",\n        \"opencv-python\",\n        \"pycairo\",\n        \"pydub\",\n        \"pygments\",\n        \"pyreadline; sys_platform == 'win32'\",\n        \"rich\"\n    ],\n)\n", "path": "setup.py"}]}