Bump lower bound for tornado to 5.0.0

WillSewell · WillSewell · commit d8496588a379 · 2018-11-02T17:21:49.000Z
diff --git a/setup.py b/setup.py
@@ -47,7 +47,7 @@
 
     extras_require={
         'aiohttp': ['aiohttp>=0.20.0'],
-        'tornado': ['tornado>=4.0.0']
+        'tornado': ['tornado>=5.0.0']
     },
 
     package_data={
