adding comments

uc-cdis · May 14, 2021 · 8917cb6 · 8917cb6
1 parent 809f4dd
commit 8917cb6
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/fence/__init__.py b/fence/__init__.py
@@ -10,6 +10,9 @@
 from userdatamodel.driver import SQLAlchemyDriver
 from werkzeug.middleware.dispatcher import DispatcherMiddleware
 
+# This MUST be declared before the multiprocess lib is imported/initialized
+# to unblock unit testing without having to explicitly declare the env. variable
+# More details on this awkwardness: https://github.com/prometheus/client_python/issues/250
 tmp_dir = tempfile.TemporaryDirectory()
 os.environ["prometheus_multiproc_dir"] = tmp_dir.name