Add hard assert on TreeSequence time units

molpopgen · Jan 22, 2024 · 0af4589 · 0af4589
1 parent 651f629
commit 0af4589
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/fwdpy11/_types/diploid_population.py b/fwdpy11/_types/diploid_population.py
@@ -110,6 +110,9 @@ def create_from_tskit(
               of fwdpy11.
 
         """
+        # NOTE: this assert will intentionally fail if we ever support
+        # export to tskit for models where time units are something else
+        assert ts.time_units == "generations"
         generation = 0
         if len(ts.metadata) > 0:
             if "generation" in ts.metadata: