prompt: We are currently solving the following issue within our repository. Here is the issue text:
  --- BEGIN ISSUE ---
  link to profile breaks if space in username
  
  
  --- END ISSUE ---
  
  Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
  --- BEGIN FILES ---
  Path: `apps/embed/middleware.py`
  Content:
  ```
  1 class AjaxPathMiddleware(object):
  2     """Append request path as a header.
  3 
  4     In an ajax request, redirects are handled implicitly, so it it not possible
  5     to know the path of the page where you end up. This middleware adds that
  6     information in a header.
  7     """
  8 
  9     def process_response(self, request, response):
  10         response['x-ajax-path'] = request.path
  11         return response
  12
  ```
  --- END FILES ---
  
  Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.
  
  Here is an example:
  
  ```diff
  diff --git a/examples/server_async.py b/examples/server_async.py
  --- a/examples/server_async.py
  +++ b/examples/server_async.py
  @@ -313,4 +313,4 @@
   
   
   if __name__ == "__main__":
  -    asyncio.run(run_async_server("."), debug=True)
  +    asyncio.run(run_async_server(), debug=True)
  diff --git a/examples/server_sync.py b/examples/server_sync.py
  --- a/examples/server_sync.py
  +++ b/examples/server_sync.py
  @@ -313,5 +313,5 @@
   
   
   if __name__ == "__main__":
  -    server = run_sync_server(".")
  +    server = run_sync_server()
       server.shutdown()
  
  ```
  
golden_diff: diff --git a/apps/embed/middleware.py b/apps/embed/middleware.py
  --- a/apps/embed/middleware.py
  +++ b/apps/embed/middleware.py
  @@ -1,3 +1,6 @@
  +from django.utils.http import urlquote
  +
  +
   class AjaxPathMiddleware(object):
       """Append request path as a header.
   
  @@ -7,5 +10,5 @@
       """
   
       def process_response(self, request, response):
  -        response['x-ajax-path'] = request.path
  +        response['x-ajax-path'] = urlquote(request.path)
           return response
  
verification_info: {"golden_diff": "diff --git a/apps/embed/middleware.py b/apps/embed/middleware.py\n--- a/apps/embed/middleware.py\n+++ b/apps/embed/middleware.py\n@@ -1,3 +1,6 @@\n+from django.utils.http import urlquote\n+\n+\n class AjaxPathMiddleware(object):\n     \"\"\"Append request path as a header.\n \n@@ -7,5 +10,5 @@\n     \"\"\"\n \n     def process_response(self, request, response):\n-        response['x-ajax-path'] = request.path\n+        response['x-ajax-path'] = urlquote(request.path)\n         return response\n", "issue": "link to profile breaks if space in username\n\n", "before_files": [{"content": "class AjaxPathMiddleware(object):\n    \"\"\"Append request path as a header.\n\n    In an ajax request, redirects are handled implicitly, so it it not possible\n    to know the path of the page where you end up. This middleware adds that\n    information in a header.\n    \"\"\"\n\n    def process_response(self, request, response):\n        response['x-ajax-path'] = request.path\n        return response\n", "path": "apps/embed/middleware.py"}], "after_files": [{"content": "from django.utils.http import urlquote\n\n\nclass AjaxPathMiddleware(object):\n    \"\"\"Append request path as a header.\n\n    In an ajax request, redirects are handled implicitly, so it it not possible\n    to know the path of the page where you end up. This middleware adds that\n    information in a header.\n    \"\"\"\n\n    def process_response(self, request, response):\n        response['x-ajax-path'] = urlquote(request.path)\n        return response\n", "path": "apps/embed/middleware.py"}]}