Update dpctl/_init_helper.py

Co-authored-by: ndgrigorian <46709016+ndgrigorian@users.noreply.github.com>

Author: oleksandr-pavlyk

dpctl/_init_helper.py

@@ -23,5 +23,5 @@
     if "VIRTUAL_ENV" in os.environ:
         venv_dir = os.environ["VIRTUAL_ENV"]
         expected_dir = os.path.join(venv_dir, "Library", "bin")
-        if os.exists(expected_dir):
+        if os.path.exists(expected_dir):
             os.add_dll_directory(expected_dir)