fix psutil Process Not Found issue against deployment to huggingface

pm4py/util/constants.py

@@ -146,7 +146,10 @@ if importlib.util.find_spec("psutil"):
     import psutil
 
     parent_pid = os.getppid()
-    parent_name = str(psutil.Process(parent_pid).name())
+    try:
+        parent_name = str(psutil.Process(parent_pid).name())
+    except psutil.NoSuchProcess:
+        parent_name = "UnknownProcess"
 
     if "PBIDesktop" in parent_name:
         DEFAULT_GVIZ_VIEW = "matplotlib_view"