Don't try to sort SecretsProvider class objects in plugin config features registry

nautobot/extras/plugins/__init__.py

@@ -169,7 +169,7 @@ def ready(self):
         if secrets_providers is not None:
             for secrets_provider in secrets_providers:
                 register_secrets_provider(secrets_provider)
-            self.features["secrets_providers"] = sorted(secrets_providers)
+            self.features["secrets_providers"] = sorted(p() for p in secrets_providers)
 
     @classmethod
     def validate(cls, user_config, nautobot_version):

nautobot/extras/secrets/__init__.py

@@ -1,13 +1,21 @@
 from abc import ABC, abstractmethod, abstractproperty
+from functools import total_ordering
 
 from nautobot.extras.registry import registry
 
 from .exceptions import SecretError, SecretParametersError, SecretProviderError, SecretValueNotFoundError
 
 
+@total_ordering
 class SecretsProvider(ABC):
     """Abstract base class for concrete providers of secret retrieval features."""
 
+    def __lt__(self, other):
+        return self.slug.lower() < other.slug.lower()
+
+    def __repr__(self):
+        return f"<{self.name}>"
+
     @abstractproperty
     def slug(self):
         """String uniquely identifying this class; will be used as a key to look up the class owning a given Secret."""