Optimize the passing method for openai_base_url

Author: ionic-bond

stream_translator_gpt/common.py

@@ -110,6 +110,7 @@ def init(cls,
                 key = key.strip()
                 client = OpenAI(
                     api_key=key,
+                    base_url=openai_base_url,
                     default_headers={'User-Agent': f'stream-translator-gpt/{__version__}'},
                     http_client=httpx.Client(proxy=proxy, verify=verify),
                 )

stream_translator_gpt/main.py

@@ -235,9 +235,6 @@ class Config:
 
 def run(config: Config):
     """Run the transcription / translation pipeline until the input is exhausted."""
-    if config.openai_base_url:
-        os.environ['OPENAI_BASE_URL'] = config.openai_base_url
-
     ClientPool.init(openai_api_key=config.openai_api_key,
                     google_api_key=config.google_api_key,
                     proxy=config.processing_proxy,