Bump requests version to fix vulnerability

Belval · Belval · commit 8d49da964ffd · 2018-10-31T15:59:54.000-04:00
diff --git a/requirements.txt b/requirements.txt
@@ -3,4 +3,4 @@ numpy==1.15.1
 opencv-python==3.4.3.18
 tqdm==4.23.4
 Pillow==5.1.0
-requests==2.18.1
+requests==2.20.0
