Merge pull request #245 from tiansiyuan/patch-6

Remove redundant package json

code/chapter1/FirstAgentTest.ipynb

@@ -8,7 +8,6 @@
    "outputs": [],
    "source": [
     "import requests\n",
-    "import json\n",
     "import os\n",
     "import re\n",
     "from openai import OpenAI\n",

code/chapter1/FirstAgentTest.py

@@ -18,7 +18,6 @@ Action: [这里是你要调用的工具，格式为 function_name(arg_name="arg_
 
 
 import requests
-import json
 
 def get_weather(city: str) -> str:
     """
@@ -196,4 +195,4 @@ for i in range(5): # 设置最大循环次数
     # 3.4. 记录观察结果
     observation_str = f"Observation: {observation}"
     print(f"{observation_str}\n" + "="*40)
-    prompt_history.append(observation_str)
+    prompt_history.append(observation_str)

docs/chapter1/第一章 初识智能体.md

@@ -259,7 +259,6 @@ Action: [这里是你要调用的工具，格式为 function_name(arg_name="arg_
 
 ```python
 import requests
-import json
 
 def get_weather(city: str) -> str:
     """