Merge pull request #39 from charleslf2/patch-1

fix the error "isdir"

Author: gurugaurav

bing_image_downloader/downloader.py

@@ -21,7 +21,7 @@ def download(query, limit=100, output_dir='dataset', adult_filter_off=True,
     image_dir = Path(output_dir).joinpath(query).absolute()
 
     if force_replace:
-        if Path.isdir(image_dir):
+        if Path.is_dir(image_dir):
             shutil.rmtree(image_dir)
 
     # check directory and create if necessary