prompt: You will be provided with a partial code base and an issue statement explaining a problem to resolve.
  <issue>
  use six for configparser for py2 compat
  
  
  </issue>
  <code>
  [start of wandb/settings.py]
  1 import os
  2 import configparser
  3 
  4 import wandb.util as util
  5 from wandb import core, env, wandb_dir
  6 
  7 
  8 class Settings(object):
  9     """Global W&B settings stored under $WANDB_CONFIG_DIR/settings.
  10     """
  11 
  12     DEFAULT_SECTION = "default"
  13 
  14     def __init__(self, load_settings=True):
  15         config_dir = os.environ.get(env.CONFIG_DIR, os.path.join(os.path.expanduser("~"), ".config", "wandb"))
  16 
  17         # Ensure the config directory and settings file both exist.
  18         util.mkdir_exists_ok(config_dir)
  19         util.mkdir_exists_ok(wandb_dir())
  20 
  21         self._global_settings_path = os.path.join(config_dir, 'settings')
  22         self._global_settings = Settings._settings_wth_defaults({})
  23 
  24         self._local_settings_path = os.path.join(wandb_dir(), 'settings')
  25         self._local_settings = Settings._settings_wth_defaults({})
  26 
  27         if load_settings:
  28             self._global_settings.read([self._global_settings_path])
  29             self._local_settings.read([self._local_settings_path])
  30 
  31     def get(self, section, key, fallback=configparser._UNSET):
  32         # Try the local settings first. If we can't find the key, then try the global settings.
  33         # If a fallback is provided, return it if we can't find the key in either the local or global
  34         # settings.
  35         try:
  36             return self._local_settings.get(section, key)
  37         except configparser.NoOptionError:
  38             return self._global_settings.get(section, key, fallback=fallback)
  39 
  40     def set(self, section, key, value, globally=False):
  41         def write_setting(settings, settings_path):
  42             if not settings.has_section(section):
  43                 settings.add_section(section)
  44             settings.set(section, key, str(value))
  45             with open(settings_path, "w+") as f:
  46                 settings.write(f)
  47 
  48         if globally:
  49             write_setting(self._global_settings, self._global_settings_path)
  50         else:
  51             write_setting(self._local_settings, self._local_settings_path)
  52 
  53     def clear(self, section, key, globally=False):
  54         def clear_setting(settings, settings_path):
  55             settings.remove_option(section, key)
  56             with open(settings_path, "w+") as f:
  57                 settings.write(f)
  58 
  59         if globally:
  60             clear_setting(self._global_settings, self._global_settings_path)
  61         else:
  62             clear_setting(self._local_settings, self._local_settings_path)
  63 
  64     def items(self, section=None):
  65         section = section if section is not None else Settings.DEFAULT_SECTION
  66 
  67         result = {'section': section}
  68 
  69         try:
  70             if section in self._global_settings.sections():
  71                 for option in self._global_settings.options(section):
  72                     result[option] = self._global_settings.get(section, option)
  73             if section in self._local_settings.sections():
  74                 for option in self._local_settings.options(section):
  75                     result[option] = self._local_settings.get(section, option)
  76         except configparser.InterpolationSyntaxError:
  77             core.termwarn("Unable to parse settings file")
  78 
  79         return result
  80 
  81     @staticmethod
  82     def _settings_wth_defaults(default_settings):
  83         config = configparser.ConfigParser()
  84         config.add_section(Settings.DEFAULT_SECTION)
  85         for key, value in default_settings.items():
  86             config.set(Settings.DEFAULT_SECTION, key, str(value))
  87         return config
  88
  [end of wandb/settings.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/wandb/settings.py b/wandb/settings.py
  --- a/wandb/settings.py
  +++ b/wandb/settings.py
  @@ -1,5 +1,6 @@
   import os
  -import configparser
  +
  +from six.moves import configparser
   
   import wandb.util as util
   from wandb import core, env, wandb_dir
  @@ -9,7 +10,9 @@
       """Global W&B settings stored under $WANDB_CONFIG_DIR/settings.
       """
   
  -    DEFAULT_SECTION = "default"
  +    DEFAULT_SECTION = "client"
  +
  +    _UNSET = object()
   
       def __init__(self, load_settings=True):
           config_dir = os.environ.get(env.CONFIG_DIR, os.path.join(os.path.expanduser("~"), ".config", "wandb"))
  @@ -19,23 +22,29 @@
           util.mkdir_exists_ok(wandb_dir())
   
           self._global_settings_path = os.path.join(config_dir, 'settings')
  -        self._global_settings = Settings._settings_wth_defaults({})
  +        self._global_settings = Settings._settings()
   
           self._local_settings_path = os.path.join(wandb_dir(), 'settings')
  -        self._local_settings = Settings._settings_wth_defaults({})
  +        self._local_settings = Settings._settings()
   
           if load_settings:
               self._global_settings.read([self._global_settings_path])
               self._local_settings.read([self._local_settings_path])
   
  -    def get(self, section, key, fallback=configparser._UNSET):
  +    def get(self, section, key, fallback=_UNSET):
           # Try the local settings first. If we can't find the key, then try the global settings.
           # If a fallback is provided, return it if we can't find the key in either the local or global
           # settings.
           try:
               return self._local_settings.get(section, key)
           except configparser.NoOptionError:
  -            return self._global_settings.get(section, key, fallback=fallback)
  +            try:
  +                return self._global_settings.get(section, key)
  +            except configparser.NoOptionError:
  +                if fallback is not Settings._UNSET:
  +                    return fallback
  +                else:
  +                    raise
   
       def set(self, section, key, value, globally=False):
           def write_setting(settings, settings_path):
  @@ -79,7 +88,7 @@
           return result
   
       @staticmethod
  -    def _settings_wth_defaults(default_settings):
  +    def _settings(default_settings={}):
           config = configparser.ConfigParser()
           config.add_section(Settings.DEFAULT_SECTION)
           for key, value in default_settings.items():
  
verification_info: {"golden_diff": "diff --git a/wandb/settings.py b/wandb/settings.py\n--- a/wandb/settings.py\n+++ b/wandb/settings.py\n@@ -1,5 +1,6 @@\n import os\n-import configparser\n+\n+from six.moves import configparser\n \n import wandb.util as util\n from wandb import core, env, wandb_dir\n@@ -9,7 +10,9 @@\n     \"\"\"Global W&B settings stored under $WANDB_CONFIG_DIR/settings.\n     \"\"\"\n \n-    DEFAULT_SECTION = \"default\"\n+    DEFAULT_SECTION = \"client\"\n+\n+    _UNSET = object()\n \n     def __init__(self, load_settings=True):\n         config_dir = os.environ.get(env.CONFIG_DIR, os.path.join(os.path.expanduser(\"~\"), \".config\", \"wandb\"))\n@@ -19,23 +22,29 @@\n         util.mkdir_exists_ok(wandb_dir())\n \n         self._global_settings_path = os.path.join(config_dir, 'settings')\n-        self._global_settings = Settings._settings_wth_defaults({})\n+        self._global_settings = Settings._settings()\n \n         self._local_settings_path = os.path.join(wandb_dir(), 'settings')\n-        self._local_settings = Settings._settings_wth_defaults({})\n+        self._local_settings = Settings._settings()\n \n         if load_settings:\n             self._global_settings.read([self._global_settings_path])\n             self._local_settings.read([self._local_settings_path])\n \n-    def get(self, section, key, fallback=configparser._UNSET):\n+    def get(self, section, key, fallback=_UNSET):\n         # Try the local settings first. If we can't find the key, then try the global settings.\n         # If a fallback is provided, return it if we can't find the key in either the local or global\n         # settings.\n         try:\n             return self._local_settings.get(section, key)\n         except configparser.NoOptionError:\n-            return self._global_settings.get(section, key, fallback=fallback)\n+            try:\n+                return self._global_settings.get(section, key)\n+            except configparser.NoOptionError:\n+                if fallback is not Settings._UNSET:\n+                    return fallback\n+                else:\n+                    raise\n \n     def set(self, section, key, value, globally=False):\n         def write_setting(settings, settings_path):\n@@ -79,7 +88,7 @@\n         return result\n \n     @staticmethod\n-    def _settings_wth_defaults(default_settings):\n+    def _settings(default_settings={}):\n         config = configparser.ConfigParser()\n         config.add_section(Settings.DEFAULT_SECTION)\n         for key, value in default_settings.items():\n", "issue": "use six for configparser for py2 compat\n\n", "before_files": [{"content": "import os\nimport configparser\n\nimport wandb.util as util\nfrom wandb import core, env, wandb_dir\n\n\nclass Settings(object):\n    \"\"\"Global W&B settings stored under $WANDB_CONFIG_DIR/settings.\n    \"\"\"\n\n    DEFAULT_SECTION = \"default\"\n\n    def __init__(self, load_settings=True):\n        config_dir = os.environ.get(env.CONFIG_DIR, os.path.join(os.path.expanduser(\"~\"), \".config\", \"wandb\"))\n\n        # Ensure the config directory and settings file both exist.\n        util.mkdir_exists_ok(config_dir)\n        util.mkdir_exists_ok(wandb_dir())\n\n        self._global_settings_path = os.path.join(config_dir, 'settings')\n        self._global_settings = Settings._settings_wth_defaults({})\n\n        self._local_settings_path = os.path.join(wandb_dir(), 'settings')\n        self._local_settings = Settings._settings_wth_defaults({})\n\n        if load_settings:\n            self._global_settings.read([self._global_settings_path])\n            self._local_settings.read([self._local_settings_path])\n\n    def get(self, section, key, fallback=configparser._UNSET):\n        # Try the local settings first. If we can't find the key, then try the global settings.\n        # If a fallback is provided, return it if we can't find the key in either the local or global\n        # settings.\n        try:\n            return self._local_settings.get(section, key)\n        except configparser.NoOptionError:\n            return self._global_settings.get(section, key, fallback=fallback)\n\n    def set(self, section, key, value, globally=False):\n        def write_setting(settings, settings_path):\n            if not settings.has_section(section):\n                settings.add_section(section)\n            settings.set(section, key, str(value))\n            with open(settings_path, \"w+\") as f:\n                settings.write(f)\n\n        if globally:\n            write_setting(self._global_settings, self._global_settings_path)\n        else:\n            write_setting(self._local_settings, self._local_settings_path)\n\n    def clear(self, section, key, globally=False):\n        def clear_setting(settings, settings_path):\n            settings.remove_option(section, key)\n            with open(settings_path, \"w+\") as f:\n                settings.write(f)\n\n        if globally:\n            clear_setting(self._global_settings, self._global_settings_path)\n        else:\n            clear_setting(self._local_settings, self._local_settings_path)\n\n    def items(self, section=None):\n        section = section if section is not None else Settings.DEFAULT_SECTION\n\n        result = {'section': section}\n\n        try:\n            if section in self._global_settings.sections():\n                for option in self._global_settings.options(section):\n                    result[option] = self._global_settings.get(section, option)\n            if section in self._local_settings.sections():\n                for option in self._local_settings.options(section):\n                    result[option] = self._local_settings.get(section, option)\n        except configparser.InterpolationSyntaxError:\n            core.termwarn(\"Unable to parse settings file\")\n\n        return result\n\n    @staticmethod\n    def _settings_wth_defaults(default_settings):\n        config = configparser.ConfigParser()\n        config.add_section(Settings.DEFAULT_SECTION)\n        for key, value in default_settings.items():\n            config.set(Settings.DEFAULT_SECTION, key, str(value))\n        return config\n", "path": "wandb/settings.py"}]}