/home/chrism/cosmem/fisher_population_table.py:1566: UserWarning: Hit 5000 attempts (100x N_det=50) with only 6 valid Fishers — returning NaN. M_max_src=1e+08 Msun.
  warnings.warn(
/home/chrism/cosmem/fisher_population_table.py:1566: UserWarning: Hit 5000 attempts (100x N_det=50) with only 10 valid Fishers — returning NaN. M_max_src=1e+08 Msun.
  warnings.warn(
/home/chrism/cosmem/fisher_population_table.py:1566: UserWarning: Hit 5000 attempts (100x N_det=50) with only 8 valid Fishers — returning NaN. M_max_src=1e+08 Msun.
  warnings.warn(
/home/chrism/cosmem/fisher_population_table.py:1566: UserWarning: Hit 5000 attempts (100x N_det=50) with only 8 valid Fishers — returning NaN. M_max_src=1e+08 Msun.
  warnings.warn(
/home/chrism/cosmem/fisher_population_table.py:1566: UserWarning: Hit 5000 attempts (100x N_det=50) with only 12 valid Fishers — returning NaN. M_max_src=1e+08 Msun.
  warnings.warn(