Support 'openai/' for backwards-compatibility, removing in next release.

src/cwhy/cwhy.py

@@ -63,6 +63,19 @@ def main(args: argparse.Namespace) -> None:
     print("==================================================")
     print("CWhy")
     print("==================================================")
+
+    # TODO: Remove this after issuing next release.
+    if "/" in args.llm:
+        print(
+            "[CWHY WARNING] CWhy went back to using the OpenAI API only (not LiteLLM).",
+            "[CWHY WARNING] Please specify the model name directly without any prefix.",
+            f"[CWHY WARNING] e.g. {args.llm[args.llm.index('/') + 1:]}.",
+            "[CWHY WARNING] If you were using AWS, you can specify OPENAI_BASE_URL instead.",
+            file=sys.stderr,
+            sep="\n",
+        )
+        args.llm = args.llm[args.llm.index("/") + 1 :]
+
     try:
         client = openai.OpenAI()
         result = evaluate(

src/cwhy/prompts.py

@@ -73,7 +73,7 @@ def __init__(self, args: argparse.Namespace, diagnostic: str):
                 )
             except FileNotFoundError:
                 print(
-                    f"Cwhy warning: file not found: {file_name.lstrip()}",
+                    f"[CWHY WARNING] file not found: {file_name.lstrip()}",
                     file=sys.stderr,
                 )
                 continue