Update codeflash/api/cfapi.py

Co-authored-by: Aseem Saxena <aseem.bits@gmail.com>

Author: KRRT7

codeflash/api/cfapi.py

@@ -361,7 +361,7 @@ def get_blocklisted_functions() -> dict[str, set[str]] | dict[str, Any]:
 
         content: dict[str, list[str]] = req.json()
 
-        if "error" in content:
+        if "error" in content.lower():
             logger.debug(f"No existing optimizations found for PR #{pr_number}")
             return {}