Better error for failed wildcard path in dd.read_csv() (fixes #8878) (

#8908) * better error for failed wildcard path #8878 * use f-string instead of % syntax Co-authored-by: Roger Filmyer <rfilmyer@akamai.com>
dask · Apr 13, 2022 · 783b15b · 783b15b
1 parent 5d98727
commit 783b15b
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/dask/dataframe/io/csv.py b/dask/dataframe/io/csv.py
@@ -517,6 +517,10 @@ def read_pandas(
             2
         ]
 
+        # Check for at least one valid path
+        if len(paths) == 0:
+            raise OSError(f"{urlpath} resolved to no files")
+
         # Infer compression from first path
         compression = infer_compression(paths[0])