Cluster determine slot command name need upper

The judgment of the name is all uppercase, for example:
    L970: if command in ("EVAL", "EVALSHA"):

redis/cluster.py

@@ -956,7 +956,7 @@ def determine_slot(self, *args):
             determine what slots to map the command to; or, if the keys don't
             all map to the same key slot.
         """
-        command = args[0]
+        command = args[0].upper()
         if self.command_flags.get(command) == SLOT_ID:
             # The command contains the slot ID
             return args[1]
@@ -971,7 +971,7 @@ def determine_slot(self, *args):
             # command syntax: EVAL "script body" num_keys ...
             if len(args) <= 2:
                 raise RedisClusterException(f"Invalid args in command: {args}")
-            num_actual_keys = args[2]
+            num_actual_keys = int(args[2])
             eval_keys = args[3 : 3 + num_actual_keys]
             # if there are 0 keys, that means the script can be run on any node
             # so we can just return a random slot