style: ruff format and the lint rules of the driver standard

Mechanical: ruff format, and ruff check --fix with the rule set every NAPALM
driver uses (E, F, I, UP, B at line length 100, Python 3.10). Mapping and
Iterable come from collections.abc, imports are sorted. What ruff cannot
fix comes in the next commit.

tests/conftest.py

@@ -17,7 +17,7 @@ def fixture_file(mockup: str, path: str) -> Path:
     path = path.split("#", 1)[0].split("?", 1)[0].rstrip("/")
     if not path.startswith(PREFIX):
         raise ValueError(f"not a Redfish path: {path}")
-    relative = path[len(PREFIX):].lstrip("/")
+    relative = path[len(PREFIX) :].lstrip("/")
     return FIXTURES / mockup / relative / "index.json"
 
 
@@ -64,8 +64,14 @@ class MockupServer:
         for method in (responses.GET, responses.POST, responses.DELETE):
             rsps.add_callback(method, anything, callback=self._handle)
 
-    def override(self, method: str, path: str, status: int, body: dict | str | None = None,
-                 headers: dict | None = None):
+    def override(
+        self,
+        method: str,
+        path: str,
+        status: int,
+        body: dict | str | None = None,
+        headers: dict | None = None,
+    ):
         self.overrides[(method, path)] = (status, body if body is not None else {}, headers or {})
 
     @staticmethod
@@ -82,8 +88,11 @@ class MockupServer:
             if key in self.overrides:
                 return self._reply(*self.overrides[key])
         if request.method == "POST" and parts.path == SESSIONS:
-            return self._reply(201, {"@odata.id": SESSION_PATH, "Id": "0123456789abcdef"},
-                               {"X-Auth-Token": TOKEN, "Location": BASE_URL + SESSION_PATH})
+            return self._reply(
+                201,
+                {"@odata.id": SESSION_PATH, "Id": "0123456789abcdef"},
+                {"X-Auth-Token": TOKEN, "Location": BASE_URL + SESSION_PATH},
+            )
         if request.method == "DELETE" and parts.path == SESSION_PATH:
             return self._reply(204, {})
         if request.method == "GET":
@@ -91,13 +100,23 @@ class MockupServer:
                 return self._reply(200, load(self.mockup, parts.path))
             except (FileNotFoundError, ValueError):
                 pass
-        return self._reply(404, {"error": {"code": "Base.1.0.ResourceMissingAtURI",
-                                           "message": f"{parts.path} not found"}})
+        return self._reply(
+            404,
+            {
+                "error": {
+                    "code": "Base.1.0.ResourceMissingAtURI",
+                    "message": f"{parts.path} not found",
+                }
+            },
+        )
 
     def calls(self, method: str | None = None, path: str | None = None):
-        return [c for c in self.rsps.calls
-                if (method is None or c.request.method == method)
-                and (path is None or urlsplit(c.request.url).path == path)]
+        return [
+            c
+            for c in self.rsps.calls
+            if (method is None or c.request.method == method)
+            and (path is None or urlsplit(c.request.url).path == path)
+        ]
 
 
 @pytest.fixture