Formating and comments.

pcigale/sed/utils.py

@@ -7,7 +7,7 @@ import numpy as np
 from numpy.core.multiarray import interp  # Compiled version
 from scipy.constants import c, pi
 
-# Cache of dx for integrate(y,dx) done by flux_trapz
+# Cache dictionaries
 dx_cache = {}
 best_grid_cache = {}