fix bugs on windows, default convert to int64 (PaddlePaddle#1016)

Author: linjieccc

paddlenlp/taskflow/dependency_parsing.py

@@ -412,15 +412,15 @@ def convert_example(example, vocabs, fix_len=20):
     return [
         pad_sequence(
             [np.array(
-                ids[:fix_len], dtype=int) for ids in words],
+                ids[:fix_len], dtype=np.int64) for ids in words],
             fix_len=fix_len)
     ]
 
 
 def flat_words(words, pad_index=0):
     mask = words != pad_index
-    lens = np.sum(mask.astype(int), axis=-1)
-    position = np.cumsum(lens + (lens == 0).astype(int), axis=1) - 1
+    lens = np.sum(mask.astype(np.int64), axis=-1)
+    position = np.cumsum(lens + (lens == 0).astype(np.int64), axis=1) - 1
     lens = np.sum(lens, -1)
     words = words.ravel()[np.flatnonzero(words)]
 
@@ -433,7 +433,7 @@ def flat_words(words, pad_index=0):
 
     max_len = words.shape[1]
 
-    mask = (position >= max_len).astype(int)
+    mask = (position >= max_len).astype(np.int64)
     position = position * np.logical_not(mask) + mask * (max_len - 1)
     return words, position