Changeset 680 for mds-and-trees

Timestamp:

08/27/17 20:05:45 (7 years ago)

Author:

konrad

Message:

Fixed the "ValueError?: max() arg is an empty sequence" error occurring for -t GENERATIONAL

File:

• mds-and-trees/tree-genealogy.py (modified) (1 diff)

mds-and-trees/tree-genealogy.py

@@ -465 +465 @@
                 elif self.TIME == "GENERATIONAL":
                     # one more than its parent (what if more than one parent?)
-                    ypos = max([self.positions[par]['y'] for par, v in self.tree.parents[child].items()])+1
+                    ypos = max([self.positions[par]['y'] for par, v in self.tree.parents[child].items()])+1 \
+                        if self.tree.parents[child] else 0
                 elif self.TIME == "REAL":
                     ypos = self.tree.time[child]