Update asyncpg from 0.18.2 to 0.18.3 (#417)

pyup-bot · wwwjfy · commit bfdd9da0dc27 · 2019-01-08T13:57:04.000+08:00
diff --git a/requirements.txt b/requirements.txt
@@ -1,3 +1,3 @@
-asyncpg==0.18.2
+asyncpg==0.18.3
 SQLAlchemy>=1.2
 aiocontextvars==0.2.1
