Fix data URL (#3)

- Update data URL (7e706635743f5d0b09d6350db9154183eae23d18)
- Fix DuplicatedKeysError (5b2b5ee5532c8ccc4d4dd368984d39fe72152d7d)

hkcancor.py

@@ -61,7 +61,9 @@ _HOMEPAGE = "http://compling.hss.ntu.edu.sg/hkcancor/"
 
 _LICENSE = "CC BY 4.0"
 
-_URL = "http://compling.hss.ntu.edu.sg/hkcancor/data/hkcancor-utf8.zip"
+# Original URL gives connection error
+# _URL = "http://compling.hss.ntu.edu.sg/hkcancor/data/hkcancor-utf8.zip"
+_URL = "https://github.com/fcbond/hkcancor/raw/master/data/hkcancor-utf8.zip"
 
 
 class Hkcancor(datasets.GeneratorBasedBuilder):
@@ -243,7 +245,7 @@ class Hkcancor(datasets.GeneratorBasedBuilder):
 
     def _generate_examples(self, data_dir, split):
         """Yields examples."""
-
+        key = 0
         downloaded_files = [os.path.join(data_dir, fn) for fn in sorted(os.listdir(data_dir))]
         for filepath in downloaded_files:
             # Each file in the corpus contains one conversation
@@ -299,7 +301,7 @@ class Hkcancor(datasets.GeneratorBasedBuilder):
                         # to create an identifier.
                         id_from_transcriptions = "".join(transcriptions[:5])[:5].upper()
                         id_ = f"{tape_number}-{date_recorded}-{id_from_transcriptions}"
-                        yield id_, {
+                        yield key, {
                             "conversation_id": id_,
                             "speaker": current_speaker,
                             "turn_number": turn_number,
@@ -308,3 +310,4 @@ class Hkcancor(datasets.GeneratorBasedBuilder):
                             "pos_tags_prf": pos_prf,
                             "pos_tags_ud": pos_ud,
                         }
+                        key += 1