typo fix

TextGen/router.py

@@ -116,7 +116,7 @@ class Invoke(BaseModel):
 
 def generate_text(messages: List[str], npc:str):
     print(npc)
-    if npc in main_npcs:
+    if npc in main_npc_system_prompts:
         system_prompt=general_npc_prompt+"/n "+main_npc_system_prompts[npc]
     else:
         system_prompt="you're a character in a video game. Play along."