Main: Only import psutil when the experimental function is run

Experimental options shouldn't be imported at the top level until the
testing period is over.

Signed-off-by: kingbri <bdashore3@proton.me>

main.py

@@ -9,8 +9,6 @@ import signal
 from loguru import logger
 from typing import Optional
 
-import psutil
-
 from common import config, gen_logging, sampling, model
 from common.args import convert_args_to_dict, init_argparser
 from common.auth import load_auth_keys
@@ -162,6 +160,8 @@ def entrypoint(arguments: Optional[dict] = None):
 
     # Set the process priority
     if unwrap(developer_config.get("realtime_process_priority"), False):
+        import psutil
+
         current_process = psutil.Process(os.getpid())
         if platform.system() == "Windows":
             current_process.nice(psutil.REALTIME_PRIORITY_CLASS)