Fixed blank CUSTOM_MODEL_LIST handling

Author: 2underscores

src/api/setting.py

@@ -15,5 +15,6 @@
 AWS_REGION = os.environ.get("AWS_REGION", "us-west-2")
 DEFAULT_MODEL = os.environ.get("DEFAULT_MODEL", "anthropic.claude-3-sonnet-20240229-v1:0")
 DEFAULT_EMBEDDING_MODEL = os.environ.get("DEFAULT_EMBEDDING_MODEL", "cohere.embed-multilingual-v3")
-CUSTOM_MODEL_LIST = os.environ.get("CUSTOM_MODEL_LIST", "").split(",")
+CUSTOM_MODEL_CSV = os.environ.get("CUSTOM_MODEL_LIST", "")
+CUSTOM_MODEL_LIST = [m.strip() for m in CUSTOM_MODEL_CSV.split(",") if m.strip()]
 ENABLE_CROSS_REGION_INFERENCE = os.environ.get("ENABLE_CROSS_REGION_INFERENCE", "true").lower() != "false"