Update aisearch_v1.py

aisearch_v1.py

@@ -172,7 +172,7 @@ class aiSearch:
     async def gemini(self,prompt):
         # try:
             response = await gemini_client.aio.models.generate_content_stream(
-                model='gemini-1.5-flash',
+                model='gemini-2.0-flash',
                 contents = self.sp_final_report,
                 config=types.GenerateContentConfig(
                     system_instruction=prompt,