fix instance down counting

cta-observatory · Apr 30, 2018 · 6e8ba59 · 6e8ba59
1 parent bfa62f6
commit 6e8ba59
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/protozfits/simple.py b/protozfits/simple.py
@@ -40,7 +40,7 @@ def __exit__(self, type, value, tb):
         self.close()
 
     def close(self):
-        File.instances = 0
+        File.instances -= 1
 
     def __del__(self):
         self.close()