Hook requests up to intersphinx.

doc/source/conf.py

@@ -140,7 +140,10 @@ pygments_style = 'sphinx'
 #modindex_common_prefix = []
 
 # Intersphinx mapping to Python documentation
-intersphinx_mapping = {'python': ('https://docs.python.org/3', None)}
+intersphinx_mapping = {
+    'python': ('https://docs.python.org/3', None),
+    'requests': ("https://requests.readthedocs.io/en/master/", None),
+}
 
 # -- Options for HTML output ---------------------------------------------------
 

lib/galaxy_test/base/api_asserts.py

@@ -20,6 +20,8 @@ def assert_status_code_is_ok(response: Response):
 
     The easier alternative ``response.raise_for_status()`` might be
     perferable generally.
+
+    .. seealso:: :py:meth:`requests.Response.raise_for_status()`
     """
     response_status_code = response.status_code
     is_two_hundred_status_code = response_status_code >= 200 and response_status_code <= 300