AttributeError: 'NoneType' object has no attribute 'startswith'

[RaviKumarSingh-Mckinsey]

@techwithtim techwithtim , Like others , Iam also facing same issue , Can you please check it out and suggest next step.

Ravi_Kumar_Singh@M-D7TVQ07C1W AI-Web-Scraper % streamlit run main.py

  You can now view your Streamlit app in your browser.

  Local URL: http://localhost:8502
  Network URL: http://10.18.4.78:8502

Connecting to Scraping Browser...
2024-12-07 12:45:33.355 Uncaught app exception
Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-packages/streamlit/runtime/scriptrunner/exec_code.py", line 88, in exec_func_with_error_handling
    result = func()
             ^^^^^^
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-packages/streamlit/runtime/scriptrunner/script_runner.py", line 590, in code_to_exec
    exec(code, module.__dict__)
  File "/Users/Ravi_Kumar_Singh/Downloads/AI-Web-Scraper/main.py", line 20, in <module>
    dom_content = scrape_website(url)
                  ^^^^^^^^^^^^^^^^^^^
  File "/Users/Ravi_Kumar_Singh/Downloads/AI-Web-Scraper/scrape.py", line 14, in scrape_website
    sbr_connection = ChromiumRemoteConnection(SBR_WEBDRIVER, "goog", "chrome")
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-packages/selenium/webdriver/chromium/remote_connection.py", line 36, in __init__
    super().__init__(
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-packages/selenium/webdriver/remote/remote_connection.py", line 365, in __init__
    self._proxy_url = self._client_config.get_proxy_url()
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-packages/selenium/webdriver/remote/client_config.py", line 274, in get_proxy_url
    "https_proxy" if self.remote_server_addr.startswith("https://") else "http_proxy",
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'startswith'