Check if bands metadata field is present before printing [fixes #27].

* spectral/graphics/spypylab.py (ImageView.__str__): Check that `bands` is present in the metadata before attempting to print it.
spectralpython · Jun 5, 2015 · ca619c0 · ca619c0
1 parent 898051c
commit ca619c0
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/spectral/graphics/spypylab.py b/spectral/graphics/spypylab.py
@@ -1116,7 +1116,8 @@ def format_coord(self, x, y):
     def __str__(self):
         meta = self.data_rgb_meta
         s = 'ImageView object:\n'
-        s += '  {0:<20}:  {1}\n'.format("Display bands", meta['bands'])
+        if 'bands' in meta:
+            s += '  {0:<20}:  {1}\n'.format("Display bands", meta['bands'])
         if self.interpolation == None:
             interp = "<default>"
         else: