unrelated fixes

nifty5/operators/energy_operators.py

@@ -261,7 +261,6 @@ class BernoulliEnergy(EnergyOperator):
     """
 
     def __init__(self, d):
-        print(d.dtype)
         if not isinstance(d, Field) or not np.issubdtype(d.dtype, np.integer):
             raise TypeError
         if not np.all(np.logical_or(d.local_data == 0, d.local_data == 1)):

nifty5/operators/regridding_operator.py

@@ -47,7 +47,6 @@ class RegriddingOperator(LinearOperator):
         if not isinstance(dom, RGSpace):
             raise TypeError("RGSpace required")
         if len(new_shape) != len(dom.shape):
-            print(new_shape, dom.shape)
             raise ValueError("Shape mismatch")
         if any([a > b for a, b in zip(new_shape, dom.shape)]):
             raise ValueError("New shape must not be larger than old shape")