Update datasets.py

utils/datasets.py

@@ -294,8 +294,8 @@ class LoadImagesAndLabels(Dataset):  # for training/testing
                     raise Exception('%s does not exist' % p)
             path = p  # *.npy dir
             self.img_files = [x.replace('/', os.sep) for x in f if os.path.splitext(x)[-1].lower() in img_formats]
-        except:
+        except Exception as e:
-            raise Exception('Error loading data from %s. See %s' % (path, help_url))
+            raise Exception('Error loading data from %s: %s\nSee %s' % (path, e, help_url))
 
         n = len(self.img_files)
         assert n > 0, 'No images found in %s. See %s' % (path, help_url)