chore: rename package

Author: liuruibin

apps/application/flow/step_node/__init__.py

@@ -24,7 +24,7 @@
 from .speech_to_text_step_node import BaseSpeechToTextNode
 from .start_node import *
 from .text_to_speech_step_node.impl.base_text_to_speech_node import BaseTextToSpeechNode
-from .variable_assign import BaseVariableAssignNode
+from .variable_assign_node import BaseVariableAssignNode
 
 node_list = [BaseStartStepNode, BaseChatNode, BaseSearchDatasetNode, BaseQuestionNode,
              BaseConditionNode, BaseReplyNode,

…ow/step_node/variable_assign/__init__.py …ep_node/variable_assign_node/__init__.pyapps/application/flow/step_node/variable_assign/__init__.py renamed to apps/application/flow/step_node/variable_assign_node/__init__.py apps/application/flow/step_node/variable_assign/__init__.py renamed to apps/application/flow/step_node/variable_assign_node/__init__.py

@@ -3,7 +3,7 @@
 from typing import List
 
 from application.flow.i_step_node import NodeResult
-from application.flow.step_node.variable_assign.i_variable_assign_node import IVariableAssignNode
+from application.flow.step_node.variable_assign_node.i_variable_assign_node import IVariableAssignNode
 
 
 class BaseVariableAssignNode(IVariableAssignNode):