prompt: You will be provided with a partial code base and an issue statement explaining a problem to resolve.
  <issue>
  Tornado 6.2 release readiness
  I'm creating this issue to collect feedback on the 6.2 betas. For the folks who have tried them, do you think the release is ready to go or are there still more changes to be made?
  
  Tagging @minrk and @graingert as authors of relevant PRs, although I'd welcome feedback from anyone interested in this release. 
  
  </issue>
  <code>
  [start of tornado/__init__.py]
  1 #
  2 # Copyright 2009 Facebook
  3 #
  4 # Licensed under the Apache License, Version 2.0 (the "License"); you may
  5 # not use this file except in compliance with the License. You may obtain
  6 # a copy of the License at
  7 #
  8 #     http://www.apache.org/licenses/LICENSE-2.0
  9 #
  10 # Unless required by applicable law or agreed to in writing, software
  11 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  12 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  13 # License for the specific language governing permissions and limitations
  14 # under the License.
  15 
  16 """The Tornado web server and tools."""
  17 
  18 # version is a human-readable version number.
  19 
  20 # version_info is a four-tuple for programmatic comparison. The first
  21 # three numbers are the components of the version number.  The fourth
  22 # is zero for an official release, positive for a development branch,
  23 # or negative for a release candidate or beta (after the base version
  24 # number has been incremented)
  25 version = "6.2b2"
  26 version_info = (6, 2, 0, -98)
  27
  [end of tornado/__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/tornado/__init__.py b/tornado/__init__.py
  --- a/tornado/__init__.py
  +++ b/tornado/__init__.py
  @@ -22,5 +22,5 @@
   # is zero for an official release, positive for a development branch,
   # or negative for a release candidate or beta (after the base version
   # number has been incremented)
  -version = "6.2b2"
  -version_info = (6, 2, 0, -98)
  +version = "6.2"
  +version_info = (6, 2, 0, 0)
  
verification_info: {"golden_diff": "diff --git a/tornado/__init__.py b/tornado/__init__.py\n--- a/tornado/__init__.py\n+++ b/tornado/__init__.py\n@@ -22,5 +22,5 @@\n # is zero for an official release, positive for a development branch,\n # or negative for a release candidate or beta (after the base version\n # number has been incremented)\n-version = \"6.2b2\"\n-version_info = (6, 2, 0, -98)\n+version = \"6.2\"\n+version_info = (6, 2, 0, 0)\n", "issue": "Tornado 6.2 release readiness\nI'm creating this issue to collect feedback on the 6.2 betas. For the folks who have tried them, do you think the release is ready to go or are there still more changes to be made?\r\n\r\nTagging @minrk and @graingert as authors of relevant PRs, although I'd welcome feedback from anyone interested in this release. \n", "before_files": [{"content": "#\n# Copyright 2009 Facebook\n#\n# Licensed under the Apache License, Version 2.0 (the \"License\"); you may\n# not use this file except in compliance with the License. You may obtain\n# a copy of the License at\n#\n#     http://www.apache.org/licenses/LICENSE-2.0\n#\n# Unless required by applicable law or agreed to in writing, software\n# distributed under the License is distributed on an \"AS IS\" BASIS, WITHOUT\n# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the\n# License for the specific language governing permissions and limitations\n# under the License.\n\n\"\"\"The Tornado web server and tools.\"\"\"\n\n# version is a human-readable version number.\n\n# version_info is a four-tuple for programmatic comparison. The first\n# three numbers are the components of the version number.  The fourth\n# is zero for an official release, positive for a development branch,\n# or negative for a release candidate or beta (after the base version\n# number has been incremented)\nversion = \"6.2b2\"\nversion_info = (6, 2, 0, -98)\n", "path": "tornado/__init__.py"}]}