Getting results from previous query

[minimalparts]

This happened again. I searched for 'Harry Potter', then 'video games', and got the Harry Potter results for the video games (see system output below). I then restarted PeARS and got okay results.

/home/aurelie/PeARS-old/space0915/demo2pear/ 0.306965005991
/home/aurelie/PeARS-old/space0915/demo1pear/ 0.28238008532
/home/aurelie/PeARS-old/space0915/coding_pear/ 0.256275264182
runScript in scorePages took 19.637 ms
['/home/aurelie/PeARS-old/space0915/demo2pear/', 'Glad to help you with your search!', './static/pi-pic.png']
['/home/aurelie/PeARS-old/space0915/demo1pear/', 'Glad to help you with your search!', './static/pi-pic.png']
['/home/aurelie/PeARS-old/space0915/coding_pear/', 'Glad to help you with your search!', './static/pi-pic.png']
Loading URL dictionary for /home/aurelie/PeARS-old/space0915/demo2pear/
Loading word clouds...
scoreDS in scorePages took 62.301 ms
scoreURL in scorePages took 44.462 ms
scoreDocs in scorePages took 119.813 ms
Loading URL dictionary for /home/aurelie/PeARS-old/space0915/demo1pear/
Loading word clouds...
scoreDS in scorePages took 41.331 ms
scoreURL in scorePages took 15.022 ms
http://en.wikipedia.org/wiki/Angband_(video_game) 0.402860741276 0.727272727273
http://en.wikipedia.org/wiki/0_A.D._(video_game) 0.402860741276 0.727272727273
scoreDocs in scorePages took 58.678 ms
Loading URL dictionary for /home/aurelie/PeARS-old/space0915/coding_pear/
Loading word clouds...
scoreDS in scorePages took 365.648 ms
scoreURL in scorePages took 14.297 ms
scoreDocs in scorePages took 381.863 ms
https://en.wikipedia.org/wiki/Academy_Award_for_Best_Directing 0.767015190846
https://en.wikipedia.org/wiki/Academy_Award_for_Best_Director 0.766009656823
https://en.wikipedia.org/wiki/Geraldine_Somerville 0.754053608067
https://en.wikipedia.org/wiki/List_of_fictional_dogs 0.745350930536
https://en.wikipedia.org/wiki/Harry_Potter 0.712330202675
https://en.wikipedia.org/wiki/Helena_Bonham_Carter 0.665556768013
https://en.wikipedia.org/wiki/Richard_Harris 0.657491004169
http://www.bbc.co.uk/iplayer/episode/p02h1mvr/the-casual-vacancy-episode-1 0.647969058168
https://ind.ie/summit/ 0.642431113644
https://en.wikipedia.org/wiki/Film_director 0.621951494845
runScript in scorePages took 581.633 ms
127.0.0.1 - - [14/Sep/2015 13:34:09] "GET /index?q=video+games HTTP/1.1" 200 -