From 678cb044be4f5bc1ca015c041bd55d4206039e99 Mon Sep 17 00:00:00 2001
From: Matthias Diener <mdiener@illinois.edu>
Date: Fri, 18 Jun 2021 08:54:18 -0500
Subject: [PATCH] isscalar -> isinstance

---
 arraycontext/impl/pyopencl.py | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/arraycontext/impl/pyopencl.py b/arraycontext/impl/pyopencl.py
index 0e16ee2..b4167a8 100644
--- a/arraycontext/impl/pyopencl.py
+++ b/arraycontext/impl/pyopencl.py
@@ -41,7 +41,7 @@ from arraycontext.fake_numpy import \
 from arraycontext.container.traversal import (rec_multimap_array_container,
                                               rec_map_array_container)
 from arraycontext.context import ArrayContext
-
+from numbers import Number
 
 # {{{ fake numpy
 
@@ -268,8 +268,7 @@ class PyOpenCLArrayContext(ArrayContext):
         return cla.to_device(self.queue, array, allocator=self.allocator)
 
     def to_numpy(self, array):
-        from numpy import isscalar
-        if isscalar(array):
+        if isinstance(array, Number):
             return array
         return array.get(queue=self.queue)
 
-- 
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