getting an error here
@@ -1034,7 +1034,7 @@ class BasePeople(FlexPretty):
raise ValueError(errormsg)
# Check that the length of each array is consistent
- expected_len = len(self)
+ expected_len = len(self.age)
expected_strains = self.pars['n_strains']
for key in self.keys():
if self[key].ndim == 1:
