Refactored try / except / finally for Python 2.4 compatibility

theano/gof/cmodule.py

@@ -733,6 +733,9 @@ class ModuleCache(object):
                             'files in', config.compiledir)
                 raise
 
+            try:
+                # Embedding two try statements for Python 2.4 compatibility
+                # (cannot do try / except / finally).
                 try:
                     compile_steps = fn(location=location).__iter__()
 
@@ -834,7 +837,6 @@ class ModuleCache(object):
                         self.module_hash_to_key_data[module_hash] = key_data
 
                 except:
-                # TODO try / except / finally is not Python2.4-friendly.
                     # This may happen e.g. when an Op has no C implementation. In
                     # any case, we do not want to keep around the temporary work
                     # directory, as it may cause trouble if we create too many of