fix ruff

Author: mpgn

nxc/protocols/smb.py

@@ -190,7 +190,7 @@ def enum_host_info(self):
                 self.conn.login("Guest", "")
                 self.logger.debug("Guest authentication successful")
                 self.is_guest = True
-            except Exception as e:
+            except Exception:
                 self.is_guest = False
 
         # self.domain is the attribute we authenticate with