add missing extra dependency

MichaelKim0407 · MichaelKim0407 · commit 04d14d8bb86e · 2019-06-05T14:10:53.000-07:00
diff --git a/setup.py b/setup.py
@@ -58,6 +58,7 @@
     extras_require={
         'cached-property': extra_cached_property,
         's3': extra_s3,
+        'http': extra_http,
         'sqlalchemy': extra_sql,
 
         'bin': extra_bin,
