prompt: We are currently solving the following issue within our repository. Here is the issue text:
  --- BEGIN ISSUE ---
  pip6.0.4 can not work under python3.4, windows7 64bit.
  use" pip list" command,  met a error:
  
  ``` python
  Traceback (most recent call last):
    File "C:\Python34\Scripts\pip-script.py", line 9, in <module>
      load_entry_point('pip==6.0.4', 'console_scripts', 'pip')()
    File "C:\Python34\lib\site-packages\pip-6.0.4-py3.4.egg\pip\__init__.py", line
   217, in main
      return command.main(cmd_args)
    File "C:\Python34\lib\site-packages\pip-6.0.4-py3.4.egg\pip\basecommand.py", l
  ine 122, in main
      write_debug_log = check_path_owner(debug_log_path, os.geteuid())
  AttributeError: 'module' object has no attribute 'geteuid'
  ```
  
  other commands can not work also.
  
  
  --- END ISSUE ---
  
  Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
  --- BEGIN FILES ---
  Path: `pip/utils/filesystem.py`
  Content:
  ```
  1 import os.path
  2 
  3 from pip.compat import get_path_uid
  4 
  5 
  6 def check_path_owner(path, uid):
  7     previous = None
  8     while path != previous:
  9         if os.path.lexists(path):
  10             # Actually do the ownership check
  11             try:
  12                 if get_path_uid(path) != os.geteuid():
  13                     return False
  14             except OSError:
  15                 return False
  16             return True
  17         else:
  18             previous, path = path, os.path.dirname(path)
  19
  ```
  --- 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/pip/utils/filesystem.py b/pip/utils/filesystem.py
  --- a/pip/utils/filesystem.py
  +++ b/pip/utils/filesystem.py
  @@ -1,9 +1,15 @@
  +import os
   import os.path
   
   from pip.compat import get_path_uid
   
   
   def check_path_owner(path, uid):
  +    # If we don't have a way to check the effective uid of this process, then
  +    # we'll just assume that we own the directory.
  +    if not hasattr(os, "geteuid"):
  +        return True
  +
       previous = None
       while path != previous:
           if os.path.lexists(path):
  
verification_info: {"golden_diff": "diff --git a/pip/utils/filesystem.py b/pip/utils/filesystem.py\n--- a/pip/utils/filesystem.py\n+++ b/pip/utils/filesystem.py\n@@ -1,9 +1,15 @@\n+import os\n import os.path\n \n from pip.compat import get_path_uid\n \n \n def check_path_owner(path, uid):\n+    # If we don't have a way to check the effective uid of this process, then\n+    # we'll just assume that we own the directory.\n+    if not hasattr(os, \"geteuid\"):\n+        return True\n+\n     previous = None\n     while path != previous:\n         if os.path.lexists(path):\n", "issue": "pip6.0.4 can not work under python3.4, windows7 64bit.\nuse\" pip list\" command,  met a error:\n\n``` python\nTraceback (most recent call last):\n  File \"C:\\Python34\\Scripts\\pip-script.py\", line 9, in <module>\n    load_entry_point('pip==6.0.4', 'console_scripts', 'pip')()\n  File \"C:\\Python34\\lib\\site-packages\\pip-6.0.4-py3.4.egg\\pip\\__init__.py\", line\n 217, in main\n    return command.main(cmd_args)\n  File \"C:\\Python34\\lib\\site-packages\\pip-6.0.4-py3.4.egg\\pip\\basecommand.py\", l\nine 122, in main\n    write_debug_log = check_path_owner(debug_log_path, os.geteuid())\nAttributeError: 'module' object has no attribute 'geteuid'\n```\n\nother commands can not work also.\n\n", "before_files": [{"content": "import os.path\n\nfrom pip.compat import get_path_uid\n\n\ndef check_path_owner(path, uid):\n    previous = None\n    while path != previous:\n        if os.path.lexists(path):\n            # Actually do the ownership check\n            try:\n                if get_path_uid(path) != os.geteuid():\n                    return False\n            except OSError:\n                return False\n            return True\n        else:\n            previous, path = path, os.path.dirname(path)\n", "path": "pip/utils/filesystem.py"}], "after_files": [{"content": "import os\nimport os.path\n\nfrom pip.compat import get_path_uid\n\n\ndef check_path_owner(path, uid):\n    # If we don't have a way to check the effective uid of this process, then\n    # we'll just assume that we own the directory.\n    if not hasattr(os, \"geteuid\"):\n        return True\n\n    previous = None\n    while path != previous:\n        if os.path.lexists(path):\n            # Actually do the ownership check\n            try:\n                if get_path_uid(path) != os.geteuid():\n                    return False\n            except OSError:\n                return False\n            return True\n        else:\n            previous, path = path, os.path.dirname(path)\n", "path": "pip/utils/filesystem.py"}]}