From 62976c13d56af50ecfe0abc5fb14c55d494ea0f7 Mon Sep 17 00:00:00 2001
From: Yngve Levinsen <yngve@pm.me>
Date: Wed, 17 Oct 2018 10:06:16 +0200
Subject: [PATCH] better way to check for empty bump version to 2.3

---
 ess/TraceWin.py | 4 ++--
 ess/__init__.py | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/ess/TraceWin.py b/ess/TraceWin.py
index a585e62..dd8b89d 100644
--- a/ess/TraceWin.py
+++ b/ess/TraceWin.py
@@ -199,11 +199,11 @@ class dst:
               }
         # get X and Y data
         dx=np.array(self[x])
-        if mask!=None:
+        if isinstance(mask, np.ndarray):
             dx = dx[mask]
         if y!=None:
             dy = np.array(self[y])
-            if mask!=None:
+            if isinstance(mask, np.ndarray):
                 dy=dy[mask]
 
         if x in ['x','y','xp','yp']:
diff --git a/ess/__init__.py b/ess/__init__.py
index ab19743..7829938 100644
--- a/ess/__init__.py
+++ b/ess/__init__.py
@@ -1,5 +1,5 @@
 __all__ = ["fieldmap", "installed", "lib_tw", "SP_Relativity", "TraceWin" "TTF"]
-__version__ = '2.2'
+__version__ = '2.3'
 from . import TraceWin
 from . import installed
 from . import lib_tw
-- 
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