* Fixed bug where making empty module would crash

theano/compile/module.py

@@ -1092,6 +1092,10 @@ class Module(ComponentDict):
     """
     InstanceType = ModuleInstance # By default, we use build ModuleInstance
    
+    def __init__(self):
+        super(Module, self).__init__()
+        self.__dict__["local_attr"]={}
+        
     def __wrapper__(self, x):
         """
         This function is called whenever x is set as an attribute of
@@ -1140,11 +1144,7 @@ class Module(ComponentDict):
 #                print "WARNING: unknow:",v
                 return v
         
-        value=unpack_member_and_external(value)
-        if not hasattr(self,"local_attr"):
-            self.__dict__["local_attr"]={}
-        
-        self.__dict__["local_attr"][attr] = value
+        self.__dict__["local_attr"][attr] = unpack_member_and_external(value)
 
     def build(self, mode, memo):
         if self in memo:

theano/compile/tests/test_module.py

@@ -14,6 +14,10 @@ import theano
 #TODO: add test for module.make(member=init_value)
 class T_module(unittest.TestCase):
 
+    def test_empty_module(self):
+        m = Module()
+        m.make()
+
     def test_whats_up_with_submembers(self):
         class Blah(Module):
             def __init__(self, stepsize):
@@ -504,6 +508,7 @@ def test_tuple_members():
 
     class Temp(Module):
         def __init__(self):
+            super(Temp, self).__init__()
             self.a = (1,1)
     M = Temp()
     assert isinstance(M.a, tuple)