update urllib to use more secure version

Bean0B · Bean0B · commit 195965c9577f · 2019-06-13T14:28:50.000-07:00
diff --git a/requirements.txt b/requirements.txt
@@ -2,4 +2,4 @@ certifi >= 14.05.14
 six >= 1.10
 python_dateutil >= 2.5.3
 setuptools >= 21.0.0
-urllib3 >= 1.15.1
+urllib3 >=1.24.2
