Pinned urllib3 version as something with 1.24 appears to be breaking other modules

Cruz Monrreal II · Cruz Monrreal II · commit 461f55e3edd1 · 2018-10-16T17:34:42.000-05:00
diff --git a/requirements.txt b/requirements.txt
@@ -5,6 +5,7 @@ Jinja2>=2.7.3
 IntelHex>=1.3
 junit-xml
 pyYAML
+urllib3[secure]==1.23
 requests
 mbed-ls>=1.5.1,==1.*
 mbed-host-tests>=1.1.2
