From 90d98074a41cebdb0aa339cb828eebc823a36747 Mon Sep 17 00:00:00 2001
From: Nicholas Christensen <njchris2@illinois.edu>
Date: Sat, 26 Sep 2020 18:11:07 -0500
Subject: [PATCH] Appease Flake8

---
 grudge/execution.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/grudge/execution.py b/grudge/execution.py
index f8420e78..a28e0b26 100644
--- a/grudge/execution.py
+++ b/grudge/execution.py
@@ -529,7 +529,8 @@ class ExecutionMapper(mappers.Evaluator,
                 continue
 
             # Cache operator
-            cache_key = "diff_batch", in_grp, out_grp, tuple(insn.operators), field.dtype
+            cache_key = "diff_batch", in_grp, out_grp, tuple(insn.operators),\
+                field.dtype
             try:
                 matrices_ary_dev = self.bound_op.operator_data_cache[cache_key]
             except KeyError:
@@ -540,7 +541,7 @@ class ExecutionMapper(mappers.Evaluator,
                     matrices_ary[i] = matrices[op.rst_axis]
                 matrices_ary_dev = self.array_context.from_numpy(matrices_ary)
                 self.bound_op.operator_data_cache[cache_key] = matrices_ary_dev
-            
+
             self.array_context.call_loopy(
                     prg(noperators),
                     diff_mat=matrices_ary_dev,
-- 
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