Put logging.debug back in

src/fsspec_xrootd/xrootd.py

@@ -2,6 +2,7 @@
 
 import asyncio
 import io
+import logging
 import os.path
 import warnings
 from collections import defaultdict
@@ -824,6 +825,11 @@ def _locate_sources(self, logical_filename: str) -> list[str]:
                 len(self.fs.valid_sources) == 0
             ):
                 hosts.append(clean_address)
+                logging.debug(f"Added host {clean_address} to _hosts")
+            else:
+                logging.debug(
+                    f"Host {clean_address} not in valid_sources {self.fs.valid_sources}"
+                )
         if len(hosts) == 0:
             err_msg = f"XRootD error: No hosts for file {logical_filename} found using XRootD server {self.fs.storage_options['hostid']}"
             if len(self.fs.valid_sources) > 0: