Fix import errors in unitests.

Author: xinghai-sun

deep_speech_2/models/tests/test_decoders.py

@@ -4,7 +4,7 @@
 from __future__ import print_function
 
 import unittest
-from decoder import *
+from models import decoder
 
 
 class TestDecoders(unittest.TestCase):
@@ -53,11 +53,13 @@ def setUp(self):
         self.beam_search_result = ['acdc', "b'a"]
 
     def test_greedy_decoder_1(self):
-        bst_result = ctc_greedy_decoder(self.probs_seq1, self.vocab_list)
+        bst_result = decoder.ctc_greedy_decoder(self.probs_seq1,
+                                                self.vocab_list)
         self.assertEqual(bst_result, self.greedy_result[0])
 
     def test_greedy_decoder_2(self):
-        bst_result = ctc_greedy_decoder(self.probs_seq2, self.vocab_list)
+        bst_result = decoder.ctc_greedy_decoder(self.probs_seq2,
+                                                self.vocab_list)
         self.assertEqual(bst_result, self.greedy_result[1])
 
     def test_beam_search_decoder_1(self):
@@ -69,15 +71,15 @@ def test_beam_search_decoder_1(self):
         self.assertEqual(beam_result[0][1], self.beam_search_result[0])
 
     def test_beam_search_decoder_2(self):
-        beam_result = ctc_beam_search_decoder(
+        beam_result = decoder.ctc_beam_search_decoder(
             probs_seq=self.probs_seq2,
             beam_size=self.beam_size,
             vocabulary=self.vocab_list,
             blank_id=len(self.vocab_list))
         self.assertEqual(beam_result[0][1], self.beam_search_result[1])
 
     def test_beam_search_decoder_batch(self):
-        beam_results = ctc_beam_search_decoder_batch(
+        beam_results = decoder.ctc_beam_search_decoder_batch(
             probs_split=[self.probs_seq1, self.probs_seq2],
             beam_size=self.beam_size,
             vocabulary=self.vocab_list,

deep_speech_2/utils/tests/test_error_rate.py

@@ -5,7 +5,7 @@
 from __future__ import print_function
 
 import unittest
-import error_rate
+from utils import error_rate
 
 
 class TestParse(unittest.TestCase):