Some fixups

python/_cosmo_power.pyx

@@ -65,18 +65,30 @@ cdef class CosmologyPower:
   cdef CosmoPower power
 
   def __init__(self,**cosmo):    
+    """Constructor
+
+    Keyword arguments:
+      * omega_B_0
+      * omega_M_0
+      * h
+      * ns
+      * T27
+    """
     self.power = CosmoPower()
     self.power.OMEGA_B = cosmo['omega_B_0']
     self.power.OMEGA_C = cosmo['omega_M_0']-cosmo['omega_B_0']
     self.power.h = cosmo['h']
     if 'ns' in cosmo:
       self.power.n = cosmo['ns'] 
+    if 'T27' in cosmo:
+      self.power.THETA_27 = cosmo['T27']
     
     assert self.power.OMEGA_C > 0
     
     self.power.updateCosmology()
 
   def setNormalization(self,A):
+    """Set manual normalization for A_S"""
     self.power.setNormalization(A)
     
   def normalize(self,s8,k_min=-1,k_max=-1):