Update utils.py

utils.py

@@ -14,7 +14,7 @@ tokenizer = tiktoken.get_encoding("cl100k_base")
 VOICERSS_API_KEY = os.environ["VOICERSS_API_KEY"]
 
 class DialogueItem(BaseModel):
-    speaker: Literal["Maria", "Sarah"]
+    speaker: Literal["John", "Lily"]
     text: str
 
 class Dialogue(BaseModel):
@@ -57,7 +57,7 @@ def generate_script(system_prompt: str, input_text: str, tone: str, target_lengt
     Generate a complete, well-structured podcast script that:
     1. Starts with a proper introduction
     2. Covers the main points from the input text
-    3. Has a natural flow of conversation between Maria and Sarah
+    3. Has a natural flow of conversation between John and Lily
     4. Concludes with a summary and sign-off
     5. Fits within the {word_limit} word limit for the target length of {target_length}
 
@@ -95,8 +95,8 @@ def generate_script(system_prompt: str, input_text: str, tone: str, target_lengt
     return dialogue
 
 def generate_audio(text: str, speaker: str) -> str:
-    voice = "en-us" if speaker == "Maria" else "en-gb"
-    url = f"http://api.voicerss.org/?key={VOICERSS_API_KEY}&hl={voice}&src={text}"
+    voice = "John" if speaker == "John" else "Lily"
+    url = f"http://api.voicerss.org/?key={VOICERSS_API_KEY}&hl=en-us&v={voice}&src={text}"
     
     response = requests.get(url)
     if response.status_code != 200: