Fixed module keyword in Transformation.

nifty/operators/fft_operator/transformations/gllmtransformation.py

@@ -17,7 +17,8 @@ class GLLMTransformation(SlicingTransformation):
             raise ImportError(
                 "The module libsharp is needed but not available.")
 
-        super(GLLMTransformation, self).__init__(domain, codomain, module)
+        super(GLLMTransformation, self).__init__(domain, codomain,
+                                                 module=module)
 
     # ---Mandatory properties and methods---
 

nifty/operators/fft_operator/transformations/hplmtransformation.py

@@ -18,7 +18,8 @@ class HPLMTransformation(SlicingTransformation):
             raise ImportError(
                 "The module healpy is needed but not available")
 
-        super(HPLMTransformation, self).__init__(domain, codomain, module)
+        super(HPLMTransformation, self).__init__(domain, codomain,
+                                                 module=module)
 
     # ---Mandatory properties and methods---
 

nifty/operators/fft_operator/transformations/lmgltransformation.py

@@ -17,7 +17,8 @@ class LMGLTransformation(SlicingTransformation):
             raise ImportError(
                 "The module libsharp is needed but not available.")
 
-        super(LMGLTransformation, self).__init__(domain, codomain, module)
+        super(LMGLTransformation, self).__init__(domain, codomain,
+                                                 module=module)
 
     # ---Mandatory properties and methods---
 

nifty/operators/fft_operator/transformations/lmhptransformation.py

@@ -16,7 +16,8 @@ class LMHPTransformation(SlicingTransformation):
             raise ImportError(
                 "The module libsharp is needed but not available.")
 
-        super(LMHPTransformation, self).__init__(domain, codomain, module)
+        super(LMHPTransformation, self).__init__(domain, codomain,
+                                                 module=module)
 
     # ---Mandatory properties and methods---
 

nifty/operators/fft_operator/transformations/rgrgtransformation.py

@@ -7,7 +7,8 @@ from nifty import RGSpace, nifty_configuration
 
 class RGRGTransformation(Transformation):
     def __init__(self, domain, codomain=None, module=None):
-        super(RGRGTransformation, self).__init__(domain, codomain)
+        super(RGRGTransformation, self).__init__(domain, codomain,
+                                                 module=module)
 
         if module is None:
             if nifty_configuration['fft_module'] == 'pyfftw':

nifty/operators/fft_operator/transformations/transformation.py

@@ -11,7 +11,7 @@ class Transformation(Loggable, object):
     """
     __metaclass__ = abc.ABCMeta
 
-    def __init__(self, domain, codomain, module):
+    def __init__(self, domain, codomain, module=None):
         if codomain is None:
             self.domain = domain
             self.codomain = self.get_codomain(domain)