Clean up authenticator code formatting

PFERD/auth/__init__.py

@@ -17,10 +17,10 @@ AuthConstructor = Callable[[
 AUTHENTICATORS: Dict[str, AuthConstructor] = {
     "credential-file": lambda n, s, c:
         CredentialFileAuthenticator(n, CredentialFileAuthSection(s)),
+    "keyring": lambda n, s, c:
+        KeyringAuthenticator(n, KeyringAuthSection(s)),
     "simple": lambda n, s, c:
         SimpleAuthenticator(n, SimpleAuthSection(s)),
     "tfa": lambda n, s, c:
         TfaAuthenticator(n),
-    "keyring": lambda n, s, c:
-        KeyringAuthenticator(n, KeyringAuthSection(s)),
 }

PFERD/auth/authenticator.py

@@ -17,10 +17,7 @@ class AuthSection(Section):
 
 
 class Authenticator(ABC):
-    def __init__(
-            self,
-            name: str
-    ) -> None:
+    def __init__(self, name: str) -> None:
         """
         Initialize an authenticator from its name and its section in the config
         file.

PFERD/auth/keyring.py

@@ -18,11 +18,7 @@ class KeyringAuthSection(AuthSection):
 
 class KeyringAuthenticator(Authenticator):
 
-    def __init__(
-            self,
-            name: str,
-            section: KeyringAuthSection,
-    ) -> None:
+    def __init__(self, name: str, section: KeyringAuthSection) -> None:
         super().__init__(name)
 
         self._username = section.username()

PFERD/auth/simple.py

@@ -14,11 +14,7 @@ class SimpleAuthSection(AuthSection):
 
 
 class SimpleAuthenticator(Authenticator):
-    def __init__(
-            self,
-            name: str,
-            section: SimpleAuthSection,
-    ) -> None:
+    def __init__(self, name: str, section: SimpleAuthSection) -> None:
         super().__init__(name)
 
         self._username = section.username()

PFERD/auth/tfa.py

@@ -6,10 +6,7 @@ from .authenticator import Authenticator, AuthError
 
 
 class TfaAuthenticator(Authenticator):
-    def __init__(
-            self,
-            name: str,
-    ) -> None:
+    def __init__(self, name: str) -> None:
         super().__init__(name)
 
     async def username(self) -> str: