prompt: You will be provided with a partial code base and an issue statement explaining a problem to resolve.
  <issue>
  Update CHANGELOG for 0.7.x
  ## 🐛 Bug
  
  <!-- A clear and concise description of what the bug is. -->
  
  Updated CHANGELOG according to the reset changes (about last two weeks) especially deprecated items like `data_loader` or `xxxxx_end`
  
  ### Additional context
  
  <!-- Add any other context about the problem here. -->
  
  https://github.com/PyTorchLightning/pytorch-lightning/milestone/4
  
  </issue>
  <code>
  [start of pytorch_lightning/core/decorators.py]
  1 import traceback
  2 from functools import wraps
  3 import warnings
  4 
  5 
  6 def data_loader(fn):
  7     """Decorator to make any fx with this use the lazy property.
  8 
  9     :param fn:
  10     :return:
  11     """
  12     w = 'data_loader decorator deprecated in 0.7.0. Will remove 0.9.0'
  13     warnings.warn(w)
  14 
  15     def inner_fx(self):
  16         return fn(self)
  17     return inner_fx
  18
  [end of pytorch_lightning/core/decorators.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/pytorch_lightning/core/decorators.py b/pytorch_lightning/core/decorators.py
  --- a/pytorch_lightning/core/decorators.py
  +++ b/pytorch_lightning/core/decorators.py
  @@ -6,11 +6,10 @@
   def data_loader(fn):
       """Decorator to make any fx with this use the lazy property.
   
  -    :param fn:
  -    :return:
  +    Warnings:
  +        This decorator deprecated in v0.7.0 and it will be removed v0.9.0.
       """
  -    w = 'data_loader decorator deprecated in 0.7.0. Will remove 0.9.0'
  -    warnings.warn(w)
  +    warnings.warn('`data_loader` decorator deprecated in v0.7.0. Will be removed v0.9.0', DeprecationWarning)
   
       def inner_fx(self):
           return fn(self)
  
verification_info: {"golden_diff": "diff --git a/pytorch_lightning/core/decorators.py b/pytorch_lightning/core/decorators.py\n--- a/pytorch_lightning/core/decorators.py\n+++ b/pytorch_lightning/core/decorators.py\n@@ -6,11 +6,10 @@\n def data_loader(fn):\n     \"\"\"Decorator to make any fx with this use the lazy property.\n \n-    :param fn:\n-    :return:\n+    Warnings:\n+        This decorator deprecated in v0.7.0 and it will be removed v0.9.0.\n     \"\"\"\n-    w = 'data_loader decorator deprecated in 0.7.0. Will remove 0.9.0'\n-    warnings.warn(w)\n+    warnings.warn('`data_loader` decorator deprecated in v0.7.0. Will be removed v0.9.0', DeprecationWarning)\n \n     def inner_fx(self):\n         return fn(self)\n", "issue": "Update CHANGELOG for 0.7.x\n## \ud83d\udc1b Bug\r\n\r\n<!-- A clear and concise description of what the bug is. -->\r\n\r\nUpdated CHANGELOG according to the reset changes (about last two weeks) especially deprecated items like `data_loader` or `xxxxx_end`\r\n\r\n### Additional context\r\n\r\n<!-- Add any other context about the problem here. -->\r\n\r\nhttps://github.com/PyTorchLightning/pytorch-lightning/milestone/4\n", "before_files": [{"content": "import traceback\nfrom functools import wraps\nimport warnings\n\n\ndef data_loader(fn):\n    \"\"\"Decorator to make any fx with this use the lazy property.\n\n    :param fn:\n    :return:\n    \"\"\"\n    w = 'data_loader decorator deprecated in 0.7.0. Will remove 0.9.0'\n    warnings.warn(w)\n\n    def inner_fx(self):\n        return fn(self)\n    return inner_fx\n", "path": "pytorch_lightning/core/decorators.py"}]}