fix: oder of modules

main.py

@@ -1,16 +1,20 @@
 #!/usr/bin/env python3
 
+# build-in modules
 import argparse
-import paramiko
+import getpass
 import os
+from io import StringIO
+
+# opt-in modules
+import paramiko
 import yaml
 from yaml.loader import SafeLoader
 from cryptography.hazmat.primitives import serialization as crypto_serialization
 from cryptography.hazmat.primitives.asymmetric import ed25519, dsa, rsa, ec
-from io import StringIO
 from scp import SCPClient
 from paramiko import RSAKey, Ed25519Key, ECDSAKey, DSSKey, PKey, SSHClient
-import getpass
+
 
 def main():
     parser = argparse.ArgumentParser()