Add documentation on how to disable keyring

docs/html/user_guide.rst

@@ -843,3 +843,24 @@ of ability. Some examples that you could consider include:
   interacting with PyPI).
 
 .. _freeze: https://pip.pypa.io/en/latest/reference/pip_freeze/
+
+.. _`Disable Keyring`:
+
+Disable Keyring
+===============
+
+In certain cases, pip's keyring support can prevent the installing of certain
+packages and modules, due to authentication errors. In such cases, disabling
+the keyring is recommended. This can be done by manually uninstalling keyring,
+however doing so may invalidate other packages that depends on keyring.
+
+There are other ways to disable the keyring. They are:
+
+- Set the password as null to preferred keyring for the relevant URL and username.
+
+- keyring >= 15.1.0 can be disabled via command line using::
+
+    keyring --disable
+
+- Set environment variable ``PYTHON_KEYRING_BACKEND`` to
+  ``keyring.backends.null.Keyring`` in a configuration file.

news/6773.doc

@@ -0,0 +1 @@
+Added documentation on how to disable keyring