docs: fix install instruction in docker to test the pool too

diff --git a/tests/README.rst b/tests/README.rst
index bdbae40c883033f7309767a1a1f7f7af4c90cf1e..7440b72a4c391ddc0d71bd5f487ebd182dbcb57d 100644 (file)
--- a/tests/README.rst
+++ b/tests/README.rst
@@ -69,7 +69,7 @@ a set of env vars working for your setup::
       -e PSYCOPG_TEST_DSN -e PGHOST=172.17.0.1 -e PGUSER=`whoami` \
       python:3.7 bash
 
-    # pip install -e ./psycopg[test] ./psycopg_c
+    # pip install -e ./psycopg[test] ./psycopg_pool ./psycopg_c
     # pytest