fix typo

Author: Antonio Cheong

src/revChatGPT/V3.py

@@ -111,7 +111,7 @@ def get_token_count(self, convo_id: str = "default") -> int:
             for key, value in message.items():
                 num_tokens += len(encoding.encode(value))
                 if key == "name":  # if there's a name, the role is omitted
-                    num_tokens += -1  # role is always required and always 1 token
+                    num_tokens += 1  # role is always required and always 1 token
         num_tokens += 2  # every reply is primed with <im_start>assistant
         return num_tokens