Corrected class names of field types.

__init__.py

@@ -50,11 +50,15 @@ from nifty_paradict import space_paradict,\
                             point_space_paradict,\
                             nested_space_paradict
 
-from field_types import Field_type,\
-                        Field_array
+from field_types import FieldType,\
+                        FieldArray
 
 from operators import *
 
+from power import PowerSpace,\
+                  RGPowerSpace,\
+                  LMPowerSpace
+
 ## optional submodule `rg`
 try:
     from rg import rg_space,\

field_types/__init__.py

 # -*- coding: utf-8 -*-
 
-from field_array import Field_type,\
-                        Field_array
\ No newline at end of file
+from field_array import FieldType,\
+                        FieldArray
\ No newline at end of file

field_types/base_field_type.py

@@ -3,7 +3,7 @@
 import numpy as np
 
 
-class Field_type(object):
+class FieldType(object):
     def __init__(self, shape, dtype):
         try:
             new_shape = tuple([int(i) for i in shape])

field_types/field_array.py

 # -*- coding: utf-8 -*-
 
 
-from base_field_type import Field_type
+from base_field_type import FieldType
 
 
-class Field_array(Field_type):
+class FieldArray(FieldType):
     def dot_contraction(self, x, axes):
         return x.sum(axis=axes)