small fix and code style following code review.

theano/scalar/basic.py

@@ -433,9 +433,8 @@ complexs128 = _multi(complex128)
 def upcast_out(*types):
     return Scalar(dtype = Scalar.upcast(*types)),
 def upcast_out_no_complex(*types):
-    if any([type not in float_types for type in types]):
-        raise TypeError('complex type are supported')
-
+    if any([type in complex_types for type in types]):
+        raise TypeError('complex type are notsupported')
     return Scalar(dtype = Scalar.upcast(*types)),
 def same_out(type):
     return type,

theano/scalar/basic_scipy.py

 #definition theano.scalar op that have their python implementation taked from scipy
 #as scipy is not always available, we put threat them separatly
-
-from theano.scalar.basic import UnaryScalarOp,exp,upgrade_to_float,upgrade_to_float_no_complex,complex_types,float_types,upcast
 import numpy
 
+from theano.scalar.basic import UnaryScalarOp,exp,upgrade_to_float,float_types
+from theano.scalar.basic import upgrade_to_float_no_complex,complex_types,upcast
+
 imported_scipy_special = False
 try:
     import scipy.special