correct testnet URL

ryanfox · ryanfox · commit cd8ece2a8c1f · 2018-02-06T16:42:10.000-06:00
diff --git a/_settings_base.py b/_settings_base.py
@@ -8,4 +8,4 @@
 
 API_BASE = 'https://www.bitmex.com/api/v1/'
 # Uncomment to work on Testnet
-# API_BASE = 'https://testnet.bitmex.com/api/v1'
+# API_BASE = 'https://testnet.bitmex.com/api/v1/'
