SQLAlchemy 1.4 will break GINO 1.0

Author: fantix

poetry.lock

@@ -25,7 +25,7 @@ classifiers = [
 [tool.poetry.dependencies]
 python = "^3.5"
 asyncpg = ">=0.18,<1.0"
-SQLAlchemy = "^1.2"
+SQLAlchemy = ">=1.2,<1.4"
 
 # compatibility
 contextvars = { version = "^2.4", python = "<3.7" }