fix acl_genpass with bits (#3062)

Author: dvora-h

redis/commands/core.py

@@ -97,6 +97,7 @@ def acl_genpass(self, bits: Union[int, None] = None, **kwargs) -> ResponseT:
                 b = int(bits)
                 if b < 0 or b > 4096:
                     raise ValueError
+                pieces.append(b)
             except ValueError:
                 raise DataError(
                     "genpass optionally accepts a bits argument, between 0 and 4096."

tests/test_commands.py

@@ -201,8 +201,9 @@ def test_acl_genpass(self, r):
             r.acl_genpass(-5)
             r.acl_genpass(5555)
 
-        r.acl_genpass(555)
+        password = r.acl_genpass(555)
         assert isinstance(password, (str, bytes))
+        assert len(password) == 139
 
     @skip_if_server_version_lt("7.0.0")
     @skip_if_redis_enterprise()