Merge pull request #2631 from abergeron/minor_fixes

doc/library/config.txt

@@ -524,7 +524,7 @@ import theano and print the config variable, as in:
     slower otherwise.
 
     This can be any compiler binary (full path or not) but things may
-    break if the interface if not g++-compatible to some degree.
+    break if the interface is not g++-compatible to some degree.
 
 .. attribute:: config.nvcc.fastmath
 

theano/printing.py

@@ -217,6 +217,8 @@ class Print(Op):
     """
     view_map = {0: [0]}
 
+    __props__ = ('message', 'attrs', 'global_fn')
+
     def __init__(self, message="", attrs=("__str__",), global_fn=_print_fn):
         self.message = message
         self.attrs = tuple(attrs)  # attrs should be a hashable iterable
@@ -238,13 +240,6 @@ class Print(Op):
     def R_op(self, inputs, eval_points):
         return [x for x in eval_points]
 
-    def __eq__(self, other):
-        return (type(self) == type(other) and self.message == other.message
-                and self.attrs == other.attrs)
-
-    def __hash__(self):
-        return hash(self.message) ^ hash(self.attrs)
-
     def __setstate__(self, dct):
         dct.setdefault('global_fn', _print_fn)
         self.__dict__.update(dct)

theano/sandbox/cuda/opt.py

@@ -129,13 +129,13 @@ class InputToGpuOptimizer(Optimizer):
     def apply(self, fgraph):
         for input in fgraph.inputs:
             if isinstance(input.type, CudaNdarrayType):
-                return
+                continue
 
             # This happen frequently as we do 2 pass of the gpu optimizations
             if (len(input.clients) == 1 and
                 (input.clients[0][0] == 'output' or
                  input.clients[0][0].op == gpu_from_host)):
-                return
+                continue
 
             try:
                 new_input = host_from_gpu(gpu_from_host(input))