diff --git a/src/dxtbx/model/experiment_list.py b/src/dxtbx/model/experiment_list.py
index 2de61f066..dc7d1172c 100644
--- a/src/dxtbx/model/experiment_list.py
+++ b/src/dxtbx/model/experiment_list.py
@@ -14,7 +14,7 @@
 from typing import Any, Callable, Generator, Iterable
 
 import natsort
-import tqdm
+from tqdm import tqdm
 
 import dxtbx
 from dxtbx.format.Format import Format
@@ -674,11 +674,11 @@ def from_filenames(
             format_kwargs = {}
 
         if os.isatty and len(filenames) > 1:
-            iter = tqdm.tqdm(to_process, total=len(filenames))
+            filename_iter = tqdm(to_process, total=len(filenames))
         else:
-            iter = to_process
+            filename_iter = to_process
 
-        for filename in iter:
+        for filename in filename_iter:
             # We now have a file, pre-opened by Format.open_file (therefore
             # cached). Determine its type, and prepare to put into a group
             format_class = find_format.find_format(filename)