Update app.py

app.py

@@ -15,7 +15,7 @@ async def greet_json():
 @app.post("/v1/completions")
 async def completions(qdata:dict):
     # url = "https://generativelanguage.googleapis.com/v1beta/models/gemini-1.5-pro-latest:generateContent?key="+os.environ.get('GEMINI_API_KEY')
-    url = "https://generativelanguage.googleapis.com/v1/models/gemini-2.0-flash-exp:generateContent?key="+os.environ.get('GEMINI_API_KEY')
+    url = "https://generativelanguage.googleapis.com/v1beta/models/gemini-2.0-flash-exp:generateContent?key="+os.environ.get('GEMINI_API_KEY')
     # 构造请求头
     headers = {
         'Content-Type': 'application/text'