Dropped tox from dev requirements

diff --git a/psycopg3/setup.py b/psycopg3/setup.py
index b0fe3b0bcd1dba5178404c4ac793d50365153122..6e7da1b7c2c7874841276b807ae6fb81542e8d06 100644 (file)
--- a/psycopg3/setup.py
+++ b/psycopg3/setup.py
@@ -36,7 +36,6 @@ extras_require = {
         "pytest-asyncio >= 0.14.0, < 0.15",
     ],
     "dev": [
-        "tox",
         "black",
         "flake8 >= 3.8, < 3.9",
         "mypy >= 0.790",