update to make use of shutil.which for executable searching

daemon/core/utils.py

@@ -13,6 +13,7 @@ import logging.config
 import os
 import random
 import shlex
+import shutil
 import sys
 from subprocess import PIPE, STDOUT, Popen
 from typing import (
@@ -151,16 +152,9 @@ def which(command: str, required: bool) -> str:
     :return: command location or None
     :raises ValueError: when not found and required
     """
-    found_path = None
-    for path in os.environ["PATH"].split(os.pathsep):
-        command_path = os.path.join(path, command)
-        if os.path.isfile(command_path) and os.access(command_path, os.X_OK):
-            found_path = command_path
-            break
-
+    found_path = shutil.which(command)
     if found_path is None and required:
         raise ValueError(f"failed to find required executable({command}) in path")
-
     return found_path