prompt: We are currently solving the following issue within our repository. Here is the issue text:
  --- BEGIN ISSUE ---
  MacOS 10.13 OSError: [Errno 24] Too many open files
  ```shell
      return [i for i in os.listdir(path) if os.path.isdir(os.path.join(path, i)) and not i.startswith('_')]
  OSError: [Errno 24] Too many open files: '/Users/abcdefg/.pyenv/versions/3.6.3/envs/weixin3/lib/python3.6/site-packages/faker/providers/address'
  ```
  
  
  
  --- END ISSUE ---
  
  Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
  --- BEGIN FILES ---
  Path: `faker/utils/loading.py`
  Content:
  ```
  1 import os
  2 from importlib import import_module
  3 import pkgutil
  4 
  5 
  6 def list_module(module):
  7     path = os.path.dirname(module.__file__)
  8     modules = [name for finder, name, is_pkg in pkgutil.iter_modules([path]) if is_pkg]
  9     if len(modules) > 0:
  10         return modules
  11     return [i for i in os.listdir(path) if os.path.isdir(os.path.join(path, i)) and not i.startswith('_')]
  12 
  13 
  14 def find_available_locales(providers):
  15     available_locales = set()
  16 
  17     for provider_path in providers:
  18 
  19         provider_module = import_module(provider_path)
  20         if getattr(provider_module, 'localized', False):
  21             langs = list_module(provider_module)
  22             available_locales.update(langs)
  23     return available_locales
  24 
  25 
  26 def find_available_providers(modules):
  27     available_providers = set()
  28     for providers_mod in modules:
  29         providers = ['.'.join([providers_mod.__package__, mod]) for mod in list_module(providers_mod)]
  30         available_providers.update(providers)
  31     return sorted(available_providers)
  32
  ```
  --- 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/faker/utils/loading.py b/faker/utils/loading.py
  --- a/faker/utils/loading.py
  +++ b/faker/utils/loading.py
  @@ -6,9 +6,7 @@
   def list_module(module):
       path = os.path.dirname(module.__file__)
       modules = [name for finder, name, is_pkg in pkgutil.iter_modules([path]) if is_pkg]
  -    if len(modules) > 0:
  -        return modules
  -    return [i for i in os.listdir(path) if os.path.isdir(os.path.join(path, i)) and not i.startswith('_')]
  +    return modules
   
   
   def find_available_locales(providers):
  
verification_info: {"golden_diff": "diff --git a/faker/utils/loading.py b/faker/utils/loading.py\n--- a/faker/utils/loading.py\n+++ b/faker/utils/loading.py\n@@ -6,9 +6,7 @@\n def list_module(module):\n     path = os.path.dirname(module.__file__)\n     modules = [name for finder, name, is_pkg in pkgutil.iter_modules([path]) if is_pkg]\n-    if len(modules) > 0:\n-        return modules\n-    return [i for i in os.listdir(path) if os.path.isdir(os.path.join(path, i)) and not i.startswith('_')]\n+    return modules\n \n \n def find_available_locales(providers):\n", "issue": "MacOS 10.13 OSError: [Errno 24] Too many open files\n```shell\r\n    return [i for i in os.listdir(path) if os.path.isdir(os.path.join(path, i)) and not i.startswith('_')]\r\nOSError: [Errno 24] Too many open files: '/Users/abcdefg/.pyenv/versions/3.6.3/envs/weixin3/lib/python3.6/site-packages/faker/providers/address'\r\n```\r\n\r\n\n", "before_files": [{"content": "import os\nfrom importlib import import_module\nimport pkgutil\n\n\ndef list_module(module):\n    path = os.path.dirname(module.__file__)\n    modules = [name for finder, name, is_pkg in pkgutil.iter_modules([path]) if is_pkg]\n    if len(modules) > 0:\n        return modules\n    return [i for i in os.listdir(path) if os.path.isdir(os.path.join(path, i)) and not i.startswith('_')]\n\n\ndef find_available_locales(providers):\n    available_locales = set()\n\n    for provider_path in providers:\n\n        provider_module = import_module(provider_path)\n        if getattr(provider_module, 'localized', False):\n            langs = list_module(provider_module)\n            available_locales.update(langs)\n    return available_locales\n\n\ndef find_available_providers(modules):\n    available_providers = set()\n    for providers_mod in modules:\n        providers = ['.'.join([providers_mod.__package__, mod]) for mod in list_module(providers_mod)]\n        available_providers.update(providers)\n    return sorted(available_providers)\n", "path": "faker/utils/loading.py"}], "after_files": [{"content": "import os\nfrom importlib import import_module\nimport pkgutil\n\n\ndef list_module(module):\n    path = os.path.dirname(module.__file__)\n    modules = [name for finder, name, is_pkg in pkgutil.iter_modules([path]) if is_pkg]\n    return modules\n\n\ndef find_available_locales(providers):\n    available_locales = set()\n\n    for provider_path in providers:\n\n        provider_module = import_module(provider_path)\n        if getattr(provider_module, 'localized', False):\n            langs = list_module(provider_module)\n            available_locales.update(langs)\n    return available_locales\n\n\ndef find_available_providers(modules):\n    available_providers = set()\n    for providers_mod in modules:\n        providers = ['.'.join([providers_mod.__package__, mod]) for mod in list_module(providers_mod)]\n        available_providers.update(providers)\n    return sorted(available_providers)\n", "path": "faker/utils/loading.py"}]}