fix #2238 if cwd() cannot be determined always return "" instead of None

giampaolo · Apr 17, 2023 · c7e635d · c7e635d
1 parent 55b9c5e
commit c7e635d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/psutil/_psbsd.py b/psutil/_psbsd.py
@@ -835,7 +835,7 @@ def cwd(self):
         # sometimes we get an empty string, in which case we turn
         # it into None
         if OPENBSD and self.pid == 0:
-            return None  # ...else it would raise EINVAL
+            return ""  # ...else it would raise EINVAL
         elif NETBSD or HAS_PROC_OPEN_FILES:
             # FreeBSD < 8 does not support functions based on
             # kinfo_getfile() and kinfo_getvmmap()