From 88814bbe98fe43ca4f3c168b7d77ebb820838e7a Mon Sep 17 00:00:00 2001
From: Palash Nigam <npalash25@gmail.com>
Date: Mon, 26 Aug 2019 23:43:41 +0530
Subject: [PATCH] fixes #11832 (#12049)

---
 tests/parallel/tpi.nim | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/parallel/tpi.nim b/tests/parallel/tpi.nim
index dcb9b8fc5e..1abed6f239 100644
--- a/tests/parallel/tpi.nim
+++ b/tests/parallel/tpi.nim
@@ -9,9 +9,9 @@ proc term(k: float): float = 4 * math.pow(-1, k) / (2*k + 1)
 
 proc piU(n: int): float =
   var ch = newSeq[FlowVar[float]](n+1)
-  for k in 0..n:
+  for k in 0..ch.high:
     ch[k] = spawn term(float(k))
-  for k in 0..n:
+  for k in 0..ch.high:
     result += ^ch[k]
 
 proc piS(n: int): float =