Update numpy test for the latest numpy version.

Author: domdfcoding

tests/test_core.py

@@ -1,5 +1,6 @@
 # stdlib
 import re
+import sys
 from typing import get_type_hints
 
 # 3rd party
@@ -32,7 +33,12 @@ def test_get_sphinx_doc_url():
 	with pytest.raises(ValueError, match="Documentation URL not found in data from PyPI."):
 		get_sphinx_doc_url("sphinx-prompt")
 
-	assert re.match(r"https://numpy\.org/doc/1\.\d\d/", get_sphinx_doc_url("numpy"))
+	if sys.version_info < (3, 8):
+		# Latest numpy's "Documentation" url doesn't point to Sphinx docs.
+		with pytest.raises(ValueError):
+			get_sphinx_doc_url("numpy")
+	else:
+		assert re.match(r"https://numpy\.org/doc/1\.\d\d/", get_sphinx_doc_url("numpy"))
 
 	assert get_sphinx_doc_url("matplotlib") == "https://matplotlib.org/"