Update pyproject.toml

Author: ardila

pyproject.toml

@@ -36,7 +36,7 @@ python = "^3.6.2"
 requests = "^2.23.0"
 tqdm = "^4.41.0"
 dataclasses = { version = "^0.7", python = "^3.6.1, <3.7" }
-aiohttp = "3.7.4.post0"
+aiohttp = "^3.7.4"
 
 [tool.poetry.dev-dependencies]
 poetry = "^1.1.5"