get rid of unused requirement

nhoening · nhoening · commit 79a69b984935 · 2019-11-08T09:20:41.000+01:00
diff --git a/requirements.txt b/requirements.txt
@@ -19,7 +19,6 @@ numpy==1.15.4
 olefile==0.46
 pandas==0.23.4
 pexpect==4.6.0
-Pillow==4.2.1
 ptyprocess==0.6.0
 python-dateutil==2.7.5
 pytz==2018.7
