Fix old issue with trying to open previous fits that don't exist.

gui/itemStats.py

@@ -1381,7 +1381,7 @@ class ItemProperties(wx.Panel):
                 else:
                     attrName = name.title()
                     value = getattr(self.item, name)
-            except Exception as e:
+            except:
                 # TODO: Add logging to this.
                 # We couldn't get a property for some reason. Skip it for now.
                 continue

gui/mainFrame.py

@@ -255,7 +255,9 @@ class MainFrame(wx.Frame):
         # Remove any fits that cause exception when fetching (non-existent fits)
         for id in fits[:]:
             try:
-                sFit.getFit(id, basic=True)
+                fit = sFit.getFit(id, basic=True)
+                if fit is None:
+                    fits.remove(id)
             except:
                 fits.remove(id)