style: fix line too long for flake8

Author: apitanga

src/nakimi/cli/main.py

@@ -359,7 +359,10 @@ def cmd_yubikey(args):  # noqa: C901
             print("   YubiKey will be used for age key encryption")
             print("   Note: age-plugin-yubikey must be installed for encryption/decryption")
             print()
-            print("⚠️  IMPORTANT: Run 'nakimi yubikey encrypt-key' to encrypt your existing age key")
+            print(
+                "⚠️  IMPORTANT: Run 'nakimi yubikey encrypt-key' "
+                "to encrypt your existing age key"
+            )
 
         elif args.yubikey_command == "status":
             print("🔍 Checking YubiKey status...")