refactored unnecessary for-loop

main.py

@@ -21,9 +21,7 @@ def exec_command(command):
     ssh_stdin.close()
 
     # убираем лишние переносы строки из вывода
-    clean_lines = []
+    clean_lines = [line.strip() for line in ssh_stdout.readlines()]
-    for line in ssh_stdout.readlines():
-        clean_lines.append(line.strip())
 
     return clean_lines