Werk #15469: aws_elb: Fix crash in AWS/ELB Statistics

Component	Checks & agents
Title	aws_elb: Fix crash in AWS/ELB Statistics
Date	May 3, 2023
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.3.0b1 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT 2.2.0b7 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT 2.1.0p28 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

AWS/ELB Statistics check crashed during checking with error:

TypeError (invalid character(s) in metric name: ' ')

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