diff --git a/llmage/llmclient.py b/llmage/llmclient.py
index 83122a2..b7163c6 100644
--- a/llmage/llmclient.py
+++ b/llmage/llmclient.py
@@ -98,7 +98,7 @@ async def uapi_request(request, sor, caller_orgid, callerid, uapi, llm, params):
 	
 def b64media2url(request, mediafile):
 	env = request._run_ns
-	debug('{request=}, {env=},{type(env)}, {len(mediafile)=}')
+	debug(f'{request=}, {env=},{type(env)}, {len(mediafile)=}')
 	if mediafile.startswith('data:'):
 		fs = FileStorage()
 		fname = getFilenameFromBase64(mediafile)