introduce control net

app.py

@@ -42,6 +42,16 @@ Since Visual ChatGPT is a text language model, Visual ChatGPT must use tools to
 The thoughts and observations are only visible for Visual ChatGPT, Visual ChatGPT should remember to repeat important information in the final response for Human. 
 Thought: Do I need to use a tool? {agent_scratchpad}"""
 
+import subprocess
+
+def execute_cmd(cmd):
+    output = subprocess.check_output(cmd, shell=True)
+    return output
+
+execute_cmd('ln -s ControlNet/ldm ./ldm')
+execute_cmd('ln -s ControlNet/cldm ./cldm')
+execute_cmd('ln -s ControlNet/annotator ./annotator')
+
 from diffusers import StableDiffusionPipeline
 from diffusers import StableDiffusionInpaintPipeline
 from diffusers import StableDiffusionInstructPix2PixPipeline, EulerAncestralDiscreteScheduler
@@ -55,15 +65,7 @@ from langchain.llms.openai import OpenAI
 from langchain.vectorstores import Weaviate
 import re
 import gradio as gr
-import subprocess
 
-def execute_cmd(cmd):
-    output = subprocess.check_output(cmd, shell=True)
-    return output
-
-execute_cmd('ln -s ControlNet/ldm ./ldm')
-execute_cmd('ln -s ControlNet/cldm ./cldm')
-execute_cmd('ln -s ControlNet/annotator ./annotator')
 
 def cut_dialogue_history(history_memory, keep_last_n_words=500):
     tokens = history_memory.split()