Fix op attr issue

paddlehub/common/paddle_helper.py

@@ -142,12 +142,7 @@ def from_module_attr_to_param(module_attr):
     return param
 
 
-def connect_program(pre_program,
-                    next_program,
-                    input_dict=None,
-                    inplace=True,
-                    need_log=True):
-    def _copy_vars_and_ops_in_blocks(from_block, to_block):
+def _copy_vars_and_ops_in_blocks(from_block, to_block):
     for var in from_block.vars:
         var = from_block.var(var)
         var_info = copy.deepcopy(get_variable_info(var))
@@ -160,17 +155,24 @@ def connect_program(pre_program,
         op_info = {
             'type': op.type,
             'inputs': {
-                    input: [block.var(var) for var in op.input(input)]
+                input: [to_block.var(var) for var in op.input(input)]
                 for input in op.input_names
             },
             'outputs': {
-                    output: [block.var(var) for var in op.output(output)]
+                output: [to_block.var(var) for var in op.output(output)]
                 for output in op.output_names
             },
             'attrs': copy.deepcopy(op.all_attrs())
         }
         to_block.append_op(**op_info)
 
+
+def connect_program(pre_program,
+                    next_program,
+                    input_dict=None,
+                    inplace=True,
+                    need_log=True):
+
     if not isinstance(pre_program, fluid.Program):
         raise TypeError("pre_program shoule be an instance of fluid.Program")
 
@@ -268,7 +270,10 @@ def set_op_attr(program, is_test=False):
 
 
 def clone_program(origin_program, for_test=False):
-    dest_program = origin_program.clone(for_test=for_test)
+    dest_program = fluid.Program()
+    _copy_vars_and_ops_in_blocks(origin_program.global_block(),
+                                 dest_program.global_block())
+    dest_program = dest_program.clone(for_test=for_test)
     if not for_test:
         for name, var in origin_program.global_block().vars.items():
             dest_program.global_block(