updated cp script

scripts/q7s-cp.py

@@ -8,7 +8,13 @@ def main():
     cmd = build_cmd(args)
     # Run the command
     print(f'Running command: {cmd}')
-    os.system(cmd)
+    result = os.system(cmd)
+    if result != 0:
+        print('')
+        print('Removing problematic SSH key and trying again..')
+        remove_ssh_key_cmd = 'ssh-keygen -f "${HOME}/.ssh/known_hosts" -R "[localhost]:1535"'
+        os.system(remove_ssh_key_cmd)
+        result = os.system(cmd)
 
 
 def handle_args():