From 82c4a1c0322c867c336d8cc733b3c3df2e9fc17d Mon Sep 17 00:00:00 2001
From: Giampaolo Rodola <g.rodola@gmail.com>
Date: Mon, 14 Dec 2015 14:13:56 +0100
Subject: [PATCH] safety measure for ZombieProcess exc

---
 psutil/__init__.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/psutil/__init__.py b/psutil/__init__.py
index dde807aa3..abec6cbba 100644
--- a/psutil/__init__.py
+++ b/psutil/__init__.py
@@ -494,6 +494,10 @@ def is_running(self):
             # Process identity / uniqueness over time is guaranteed by
             # (PID + creation time) and that is verified in __eq__.
             return self == Process(self.pid)
+        except ZombieProcess:
+            # We should never get here as it's already handled in
+            # Process.__init__; here just for extra safety.
+            return True
         except NoSuchProcess:
             self._gone = True
             return False