Werk #4596: agent_innovaphone: Fixed import error of lxml (which is not shipped with Check_MK)

Component	Checks & agents
Title	agent_innovaphone: Fixed import error of lxml (which is not shipped with Check_MK)
Date	Apr 10, 2017
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	1.5.0i1 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT 1.4.0b6 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

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