# # import os

# # # Remove proxy settings from environment variables
# # os.environ.pop('http_proxy', None)
# # os.environ.pop('https_proxy', None)
# # os.environ.pop('HTTP_PROXY', None)
# # os.environ.pop('HTTPS_PROXY', None)
# import requests

# try:
#     response = requests.get('https://oauth2.googleapis.com/token')
#     print('Connection successful:', response.status_code)
# except requests.exceptions.ProxyError as e:
#     print('Proxy error detected:', e)
# except Exception as e:
#     print('Other error:', e)