Remove algorithm requirement for JWT API (#975)

Author: luhn

CHANGELOG.rst

@@ -11,6 +11,7 @@ Changed
 ~~~~~~~
 
 - Use ``Sequence`` for parameter types rather than ``List`` where applicable by @imnotjames in `#970 <https://github.com/jpadilla/pyjwt/pull/970>`__
+- Remove algorithm requirement from JWT API, instead relying on JWS API for enforcement, by @luhn in `#975 <https://github.com/jpadilla/pyjwt/pull/975>`__
 
 Fixed
 ~~~~~

jwt/api_jwt.py

@@ -144,11 +144,6 @@ def decode_complete(
             options.setdefault("verify_aud", False)
             options.setdefault("verify_iss", False)
 
-        if options["verify_signature"] and not algorithms:
-            raise DecodeError(
-                'It is required that you pass in a value for the "algorithms" argument when calling decode().'
-            )
-
         decoded = api_jws.decode_complete(
             jwt,
             key=key,