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). What ruff
cannot fix comes in the next commit.

napalm_proxmox/lldp_mixin.py

@@ -19,7 +19,6 @@ from __future__ import annotations
 import re
 from typing import Any
 
-
 _JsonDict = dict[str, Any]
 
 
@@ -29,9 +28,7 @@ class ProxmoxLLDPMixin:
     def get_lldp_neighbors(self) -> dict[str, list[_JsonDict]]:
         """Return LLDP neighbours (requires lldpd on the Proxmox node)."""
         result: dict[str, list[_JsonDict]] = {}
-        raw = self._exec_ssh_command(
-            "lldpcli show neighbors summary 2>/dev/null || true"
-        )
+        raw = self._exec_ssh_command("lldpcli show neighbors summary 2>/dev/null || true")
         current_iface = ""
         for line in raw.splitlines():
             m_iface = re.match(r"^\s*Interface:\s+(\S+?),?\s", line)
@@ -54,9 +51,7 @@ class ProxmoxLLDPMixin:
     def get_lldp_neighbors_detail(self, interface: str = "") -> dict[str, list[_JsonDict]]:
         """Return detailed LLDP neighbour information."""
         result: dict[str, list[_JsonDict]] = {}
-        raw = self._exec_ssh_command(
-            "lldpcli show neighbors details 2>/dev/null || true"
-        )
+        raw = self._exec_ssh_command("lldpcli show neighbors details 2>/dev/null || true")
         current_iface = ""
         current_entry: _JsonDict = {}