Fix style

secret_loader/__init__.py

@@ -17,7 +17,9 @@ ENV_KEY_VAULT_MOUNT_POINT = 'VAULT_MOUNT_POINT'
 
 
 class SecretLoader:
-    """Priority order:
+    """System for loading secrets from a variety of sources.
+
+    Priority order:
 
     0. Hardcoded values. This is purely for prototyping.
     1. Files pointed to by environment variables.
@@ -70,8 +72,7 @@ class SecretLoader:
             filepath = f'./secrets/{env_key.lower()}'
         try:
             with open(filepath) as f:
-                value = f.read().strip()
-            return value
+                return f.read().strip()
         except Exception:
             return None