Update unsplash-25k-photos.py

unsplash-25k-photos.py

@@ -82,5 +82,7 @@ class Unsplash(datasets.GeneratorBasedBuilder):
                     id_ += 1
                 else:
                     values = line.strip().split("\t")
+                    if len(values) != len(cols):
+                        values.extend(['']*(len(cols)-len(values)))
                     yield id_, {cols[i]: values[i] for i in range(len(cols))}
                     id_ += 1