Update server.py

server.py

@@ -186,8 +186,8 @@ def download_model(model_name, specific_file=None):
 
 if __name__ == "__main__":
     download_model("google/flan-t5-large")
-    download_model("MaziyarPanahi/Mistral-7B-Instruct-v0.3-GGUF", "Mistral-7B-Instruct-v0.3.Q4_K_M.gguf")
-    download_model("TheBloke/Llama-2-7B-GGUF", "llama-2-7b.Q4_K_S.gguf")
+    download_model("MaziyarPanahi/Mistral-7B-Instruct-v0.3-GGUF", "Mistral-7B-Instruct-v0.3.IQ1_S.gguf")
+    download_model("TheBloke/Llama-2-7B-GGUF", "llama-2-7b.Q2_K.gguf")
     
     logger.info("Starting Text generation web UI")