simplify

requirements.txt

@@ -3,6 +3,5 @@ python-dotenv==0.21.1
 fire==0.4.0
 numpy==1.21.3
 pydantic==2.4
-pydantic-settings>=0.2.5
 python-dateutil==2.8.2
 requests==2.31.0

setup.py

@@ -9,7 +9,6 @@
     "fire",
     "numpy",
     "pydantic",
-    "pydantic-settings",
     "python-dateutil",
     "requests",
 ]

xcc/settings.py

@@ -8,7 +8,7 @@
 
 from appdirs import user_config_dir
 from dotenv import dotenv_values, set_key, unset_key
-from pydantic_settings import BaseSettings, SettingsConfigDict
+from pydantic.v1 import BaseSettings
 
 # Matches when string contains chars outside Base64URL set
 # https://base64.guru/standards/base64url
@@ -108,9 +108,11 @@ class Settings(BaseSettings):
 
     TLS: bool = True
     """Whether to use HTTPS for requests to the Xanadu Cloud."""
-    model_config = SettingsConfigDict(
-        case_sensitive=True, env_file=get_path_to_env_file(), env_prefix=get_name_of_env_var()
-    )
+
+    class Config:  # pylint: disable=missing-class-docstring
+        case_sensitive = True
+        env_file = get_path_to_env_file()
+        env_prefix = get_name_of_env_var()
 
     def save(self) -> None:
         """Saves the current settings to the .env file."""