From ba3d6103fa3a2bb5e501da0542cd41cf50785151 Mon Sep 17 00:00:00 2001
From: Leonardo de Moura <leonardo@microsoft.com>
Date: Sat, 27 Mar 2021 14:07:45 -0700
Subject: [PATCH] chore: spaces

---
 src/Lean/LocalContext.lean | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Lean/LocalContext.lean b/src/Lean/LocalContext.lean
index c931345744..9defcfc226 100644
--- a/src/Lean/LocalContext.lean
+++ b/src/Lean/LocalContext.lean
@@ -283,9 +283,9 @@ variable {β : Type u}
     | some decl => f decl
 
 instance : ForIn m LocalContext LocalDecl where
-  forIn lctx init f := lctx.decls.forIn init fun d? b => match d? with 
+  forIn lctx init f := lctx.decls.forIn init fun d? b => match d? with
     | none   => ForInStep.yield b
-    | some d => f d b 
+    | some d => f d b
 
 end