prompt: You will be provided with a partial code base and an issue statement explaining a problem to resolve.
  <issue>
  Update year in copyright notice for vectors
  Refs #1597 
  
  
  </issue>
  <code>
  [start of vectors/cryptography_vectors/__about__.py]
  1 # This file is dual licensed under the terms of the Apache License, Version
  2 # 2.0, and the BSD License. See the LICENSE file in the root of this repository
  3 # for complete details.
  4 
  5 from __future__ import absolute_import, division, print_function
  6 
  7 __all__ = [
  8     "__title__", "__summary__", "__uri__", "__version__", "__author__",
  9     "__email__", "__license__", "__copyright__",
  10 ]
  11 
  12 __title__ = "cryptography_vectors"
  13 __summary__ = "Test vectors for the cryptography package."
  14 
  15 __uri__ = "https://github.com/pyca/cryptography"
  16 
  17 __version__ = "0.8.dev1"
  18 
  19 __author__ = "The cryptography developers"
  20 __email__ = "cryptography-dev@python.org"
  21 
  22 __license__ = "BSD or Apache License, Version 2.0"
  23 __copyright__ = "Copyright 2013-2014 %s" % __author__
  24
  [end of vectors/cryptography_vectors/__about__.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/vectors/cryptography_vectors/__about__.py b/vectors/cryptography_vectors/__about__.py
  --- a/vectors/cryptography_vectors/__about__.py
  +++ b/vectors/cryptography_vectors/__about__.py
  @@ -20,4 +20,4 @@
   __email__ = "cryptography-dev@python.org"
   
   __license__ = "BSD or Apache License, Version 2.0"
  -__copyright__ = "Copyright 2013-2014 %s" % __author__
  +__copyright__ = "Copyright 2013-2015 %s" % __author__
  
verification_info: {"golden_diff": "diff --git a/vectors/cryptography_vectors/__about__.py b/vectors/cryptography_vectors/__about__.py\n--- a/vectors/cryptography_vectors/__about__.py\n+++ b/vectors/cryptography_vectors/__about__.py\n@@ -20,4 +20,4 @@\n __email__ = \"cryptography-dev@python.org\"\n \n __license__ = \"BSD or Apache License, Version 2.0\"\n-__copyright__ = \"Copyright 2013-2014 %s\" % __author__\n+__copyright__ = \"Copyright 2013-2015 %s\" % __author__\n", "issue": "Update year in copyright notice for vectors\nRefs #1597 \n\n", "before_files": [{"content": "# This file is dual licensed under the terms of the Apache License, Version\n# 2.0, and the BSD License. See the LICENSE file in the root of this repository\n# for complete details.\n\nfrom __future__ import absolute_import, division, print_function\n\n__all__ = [\n    \"__title__\", \"__summary__\", \"__uri__\", \"__version__\", \"__author__\",\n    \"__email__\", \"__license__\", \"__copyright__\",\n]\n\n__title__ = \"cryptography_vectors\"\n__summary__ = \"Test vectors for the cryptography package.\"\n\n__uri__ = \"https://github.com/pyca/cryptography\"\n\n__version__ = \"0.8.dev1\"\n\n__author__ = \"The cryptography developers\"\n__email__ = \"cryptography-dev@python.org\"\n\n__license__ = \"BSD or Apache License, Version 2.0\"\n__copyright__ = \"Copyright 2013-2014 %s\" % __author__\n", "path": "vectors/cryptography_vectors/__about__.py"}]}