fixed crash in case there is no weather data #483
Merged
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The weather plugin should not crash in case there can be no data retrieved (see #475)
Simply added some checks if there is any data received and added an error msg for the user in case of no data. Please note: thats not a fix for #475. Thats still open.
I also changed the testcase success criteria so that it does not fail in case that there is no data received. This might not be the intention and may need to be changed back.