Werk #2683: Fixed exceptions occuring in some ps checks

Component	Checks & agents
Title	Fixed exceptions occuring in some ps checks
Date	Oct 20, 2015
Level	Prominent Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	1.2.7i4 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.2.8b1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

An exception like "'int' object is not iterable" could occur during execution of the ps checks.

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