From: =?utf-8?q?Picca_Fr=C3=A9d=C3=A9ric-Emmanuel?=
 <picca@synchrotron-soleil.fr>
Date: Tue, 28 May 2019 11:16:24 +0200
Subject: fix problem with sift import

---
 silx/gui/plot/CompareImages.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/silx/gui/plot/CompareImages.py b/silx/gui/plot/CompareImages.py
index f7c4899..8a26234 100644
--- a/silx/gui/plot/CompareImages.py
+++ b/silx/gui/plot/CompareImages.py
@@ -48,7 +48,10 @@ _logger = logging.getLogger(__name__)
 
 from silx.opencl import ocl
 if ocl is not None:
-    from silx.opencl import sift
+    try:
+        from silx.opencl import sift
+    except ImportError:
+        sift = None
 else:  # No OpenCL device or no pyopencl
     sift = None