diff --git a/fastapi/applications.py b/fastapi/applications.py
index 9324ea33f..915f5f70a 100644
--- a/fastapi/applications.py
+++ b/fastapi/applications.py
@@ -1019,10 +1019,8 @@ class FastAPI(Starlette):
                 # streaming responses while keeping compatibility with the previous
                 # versions (as of writing 0.117.1) that allowed doing
                 # except HTTPException inside a dependency with yield.
-
                 # This needs to happen after user middlewares because those create a
                 # new contextvars context copy by using a new AnyIO task group.
-
                 # This AsyncExitStack preserves the context for contextvars, not
                 # strictly necessary for closing files but it was one of the original
                 # intentions.
@@ -1030,7 +1028,6 @@ class FastAPI(Starlette):
                 # contextvars were set, for example in a dependency with 'yield'
                 # in that internal contextvars context, the values would not be
                 # available in the outer context of the AsyncExitStack.
-
                 # By placing the middleware and the AsyncExitStack here, inside all
                 # user middlewares, the same context is used.
                 # This is currently not needed, only for closing files, but used to be