Prep for bug fix release needed for backward compatibility with Ginga

Author: pllim

setup.cfg

@@ -19,7 +19,7 @@ exclude = extern,sphinx
 
 [metadata]
 package_name = stginga
-version = 0.2.1.dev
+version = 0.2.1
 description = Ginga products specific to STScI data analysis
 long_description = Ginga products specific to STScI data analysis
 author = STScI

stginga/plugins/MosaicAuto.py

@@ -298,9 +298,15 @@ def hl_canvas2table(self, canvas, button, data_x, data_y):
         imname_from_table = list(self.treeview.get_selected())
         n = len(imname_from_table)
 
+        # Get selected polygons
+        try:
+            poly_items = obj.get_items_at(data_x, data_y)
+        except TypeError:  # ginga >= 2.6.5
+            poly_items = obj.get_items_at((data_x, data_y))
+
         # Select if not selected and vice versa,
         # also do the same to table listing.
-        for poly in obj.get_items_at((data_x, data_y)):
+        for poly in poly_items:
             imname = poly.imname
             treepath = (imname, )