text: Title: FileNotFoundError: [Errno 2] No such file or directory: '/exports/charts/7f792cad-32b6-4385-b334-585a5d46e23a.png'
  Body: ### System Info
  
  pandasai 2.3.0
  ubuntu 0.20.04.1
  python 3.9
  
  ### 🐛 Describe the bug
  
  I looked up similar problems in the past and found that the drawing problems of GPT-3.5 and BambooLLM have been solved, but I still have the same problem when I run the code.
  ```python
  import os
  import pandas as pd
  from pandasai import Agent
  
  # Sample DataFrame
  sales_by_country = pd.DataFrame({
      "country": ["United States", "United Kingdom", "France", "Germany", "Italy", "Spain", "Canada", "Australia", "Japan", "China"],
      "revenue": [5000, 3200, 2900, 4100, 2300, 2100, 2500, 2600, 4500, 7000]
  })
  
  os.environ["PANDASAI_API_KEY"] = "MY_API_KEY"
  
  agent = Agent(sales_by_country,config={
      "save_charts": True,
      "open_charts": True,
      "save_charts_path": "/exports/charts",
      })
  response = agent.chat('Which are the top 5 countries by sales?')
  r2 = agent.chat(
      "Plot the histogram of countries showing for each one the gd. Use different colors for each bar",
  )
  ```
  ```
  Traceback (most recent call last):
    File "/root/miniconda3/envs/DataAI/lib/python3.9/site-packages/pandasai/pipelines/chat/generate_chat_pipeline.py", line 333, in run
      output = (
    File "/root/miniconda3/envs/DataAI/lib/python3.9/site-packages/pandasai/pipelines/pipeline.py", line 137, in run
      raise e
    File "/root/miniconda3/envs/DataAI/lib/python3.9/site-packages/pandasai/pipelines/pipeline.py", line 101, in run
      step_output = logic.execute(
    File "/root/miniconda3/envs/DataAI/lib/python3.9/site-packages/pandasai/pipelines/chat/code_execution.py", line 133, in execute
      {"content_type": "response", "value": ResponseSerializer.serialize(result)},
    File "/root/miniconda3/envs/DataAI/lib/python3.9/site-packages/pandasai/responses/response_serializer.py", line 35, in serialize
      with open(result["value"], "rb") as image_file:
  FileNotFoundError: [Errno 2] No such file or directory: '/exports/charts/8998e704-c205-46ed-9a6c-3c23a031f93c.png'
  ```