From 956389fa8cfe97287eb4b100bb45656062aad592 Mon Sep 17 00:00:00 2001
From: Daniel Hahler <git@thequod.de>
Date: Fri, 17 Jan 2020 11:13:27 +0100
Subject: [PATCH] Session._fixturemanager

---
 src/_pytest/main.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/_pytest/main.py b/src/_pytest/main.py
index fc92ec10f..a0f180cac 100644
--- a/src/_pytest/main.py
+++ b/src/_pytest/main.py
@@ -15,6 +15,7 @@ from _pytest import nodes
 from _pytest.config import directory_arg
 from _pytest.config import hookimpl
 from _pytest.config import UsageError
+from _pytest.fixtures import FixtureManager
 from _pytest.outcomes import exit
 from _pytest.runner import collect_one_node
 from _pytest.runner import SetupState
@@ -377,7 +378,10 @@ class _bestrelpath_cache(dict):
 class Session(nodes.FSCollector):
     Interrupted = Interrupted
     Failed = Failed
+    # Set on the session by runner.pytest_sessionstart.
     _setupstate = None  # type: SetupState
+    # Set on the session by fixtures.pytest_sessionstart.
+    _fixturemanager = None  # type: FixtureManager
 
     def __init__(self, config):
         nodes.FSCollector.__init__(