Check if a whitespaced-stripped version is empty
Check if a whitespaced-stripped version is empty

Currently fetch_lines_from_error_log() checks if fetched == "", and since line 162 adds "    " to formatted_lines, fetched should never equal "". This makes fetch_lines_... check if a rstrip'd version of fetched is empty.
ArtOfCode-/SmokeDetector,Charcoal-SE/SmokeDetector,ArtOfCode-/SmokeDetector,Charcoal-SE/SmokeDetector,NickVolynkin/SmokeDetector,NickVolynkin/SmokeDetector