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32_TechemHKV.pm: cosemtic undef warn msg removed

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git-svn-id: https://svn.fhem.de/fhem/trunk@10500 2b470e98-0d58-463d-a4d8-8e2adae1ed80
This commit is contained in:
herrmannj 2016-01-14 11:46:48 +00:00
parent 37fbcb5453
commit aea1bf90b3
1 changed files with 1 additions and 1 deletions
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fhem/FHEM/32_TechemHKV.pm
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@ -167,7 +167,7 @@ TechemHKV_Run(@) {
sub
TechemHKV_IOPatch(@) {
my ($hash, $iodev) = @_;
return undef unless (AttrVal($iodev, "rfmode", undef) eq "WMBus_T");
return undef unless (AttrVal($iodev, "rfmode", '') eq "WMBus_T");
# see if already patched
readingsSingleUpdate($hash, "state", "listening", 1);
return undef if ($defs{$iodev}{Clients} =~ /TechemHKV/ );