Bug fixes for workspace building

• Do not set ownership for dataset (otherwise it will get deleted)
• Do not add data points outside observable range

quickstats/components/workspaces/xml_ws_builder_v2.py

@@ -587,10 +587,15 @@ class XMLWSBuilder(XMLWSBase):
                 # ignore data in the blind range
                 if (blind_range) and (x_val > blind_range[0]) and (x_val < blind_range[1]):
                     continue
+                if (x_val <= obs_min) or (x_val >= obs_max):
+                    self.stdout.warning(f"Found data point at boundary (x = {x_val}). Ignored.")
+                    continue
                 dataset.add(ROOT.RooArgSet(obs, weight_var), weight)
                 datahist.Fill(x_val, weight)
         n_event = dataset.sumEntries()
         n_event_binned = datahist.Integral()
+        from pdb import set_trace
+        set_trace()
         if abs(n_event - n_event_binned) > self.EPSILON:
             raise RuntimeError(f"Binned ({n_event_binned}) and unbinned ({n_event}) "
                                f"datasets have different number of entries in "