[mypy] Fix web_programming directory (#4297)

* Update world_covid19_stats.py

* Delete monkeytype_config.py

* updating DIRECTORY.md

* Apply pyannotate suggestions to emails_from_url.py

* mypy web_programming/emails_from_url.py

* super().__init__()

* mypy --ignore-missing-imports web_programming/emails_from_url.py

* Update emails_from_url.py

* self.urls: list[str] = []

* mypy: Fix web_programming directory

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
Co-authored-by: Dhruv Manilawala <dhruvmanila@gmail.com>

web_programming/currency_converter.py

@@ -9,7 +9,7 @@ import requests
 
 URL_BASE = "https://www.amdoren.com/api/currency.php"
 TESTING = os.getenv("CI", False)
-API_KEY = os.getenv("AMDOREN_API_KEY")
+API_KEY = os.getenv("AMDOREN_API_KEY", "")
 if not API_KEY and not TESTING:
     raise KeyError("Please put your API key in an environment variable.")