prompt: You will be provided with a partial code base and an issue statement explaining a problem to resolve.
  <issue>
  Enforce new SECRET_KEY in production environments
  The server should refuse to start if the SECRET_KEY does not differ from the default value in our repository.
  
  The importance of this issue depends on whether the Federated Cloud feature is using this key or not.
  
  </issue>
  <code>
  [start of backend/cms/apps.py]
  1 """
  2 Django related class representing a config of an app
  3 """
  4 from django.apps import AppConfig
  5 
  6 
  7 class CmsConfig(AppConfig):
  8     """
  9     Class inheriting the django AppConfig
  10     """
  11 
  12     name = 'cms'
  13
  [end of backend/cms/apps.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/backend/cms/apps.py b/backend/cms/apps.py
  --- a/backend/cms/apps.py
  +++ b/backend/cms/apps.py
  @@ -1,8 +1,12 @@
   """
   Django related class representing a config of an app
   """
  +import logging
  +import sys
  +from django.conf import settings
   from django.apps import AppConfig
   
  +logger = logging.getLogger(__name__)
   
   class CmsConfig(AppConfig):
       """
  @@ -10,3 +14,8 @@
       """
   
       name = 'cms'
  +
  +    def ready(self):
  +        if settings.SECRET_KEY == '-!v282$zj815_q@htaxcubylo)(l%a+k*-xi78hw*#s2@i86@_' and not settings.DEBUG:
  +            logger.error("You are running the Integreat CMS in production mode. Change the SECRET_KEY in the settings.py!")
  +            sys.exit(1)
  
verification_info: {"golden_diff": "diff --git a/backend/cms/apps.py b/backend/cms/apps.py\n--- a/backend/cms/apps.py\n+++ b/backend/cms/apps.py\n@@ -1,8 +1,12 @@\n \"\"\"\n Django related class representing a config of an app\n \"\"\"\n+import logging\n+import sys\n+from django.conf import settings\n from django.apps import AppConfig\n \n+logger = logging.getLogger(__name__)\n \n class CmsConfig(AppConfig):\n     \"\"\"\n@@ -10,3 +14,8 @@\n     \"\"\"\n \n     name = 'cms'\n+\n+    def ready(self):\n+        if settings.SECRET_KEY == '-!v282$zj815_q@htaxcubylo)(l%a+k*-xi78hw*#s2@i86@_' and not settings.DEBUG:\n+            logger.error(\"You are running the Integreat CMS in production mode. Change the SECRET_KEY in the settings.py!\")\n+            sys.exit(1)\n", "issue": "Enforce new SECRET_KEY in production environments\nThe server should refuse to start if the SECRET_KEY does not differ from the default value in our repository.\r\n\r\nThe importance of this issue depends on whether the Federated Cloud feature is using this key or not.\n", "before_files": [{"content": "\"\"\"\nDjango related class representing a config of an app\n\"\"\"\nfrom django.apps import AppConfig\n\n\nclass CmsConfig(AppConfig):\n    \"\"\"\n    Class inheriting the django AppConfig\n    \"\"\"\n\n    name = 'cms'\n", "path": "backend/cms/apps.py"}]}