there are some question about my implementation，please help me

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Exception in thread Thread-1: Traceback (most recent call last): File "D:\Anaconda3\envs\wtx\lib\threading.py", line 916, in _bootstrap_inner self.run() File "D:\Anaconda3\envs\wtx\lib\threading.py", line 864, in run self._target(*self._args, **self._kwargs) File "D:\tf-wavenet_vocoder-master\apps\vocoder\datasets\data_feeder.py", line 145, in thread_main assert_ready_for_upsampling(wav, local_condition) File "D:\tf-wavenet_vocoder-master\apps\vocoder\datasets\data_feeder.py", line 50, in assert_ready_for_upsampling assert len(x) % len(c) == 0 and len(x) // len(c) == audio.get_hop_size() AssertionError Exception in thread Thread-2: Traceback (most recent call last): File "D:\Anaconda3\envs\wtx\lib\threading.py", line 916, in _bootstrap_inner self.run() File "D:\Anaconda3\envs\wtx\lib\threading.py", line 864, in run self._target(*self._args, **self._kwargs) File "D:\tf-wavenet_vocoder-master\apps\vocoder\datasets\data_feeder.py", line 145, in thread_main assert_ready_for_upsampling(wav, local_condition) File "D:\tf-wavenet_vocoder-master\apps\vocoder\datasets\data_feeder.py", line 50, in assert_ready_for_upsampling assert len(x) % len(c) == 0 and len(x) // len(c) == audio.get_hop_size() AssertionError

Exception in thread Thread-8: Traceback (most recent call last): File "D:\Anaconda3\envs\wtx\lib\threading.py", line 916, in _bootstrap_inner self.run() File "D:\Anaconda3\envs\wtx\lib\threading.py", line 864, in run self._target(*self._args, **self._kwargs) File "D:\tf-wavenet_vocoder-master\apps\vocoder\datasets\data_feeder.py", line 145, in thread_main assert_ready_for_upsampling(wav, local_condition) File "D:\tf-wavenet_vocoder-master\apps\vocoder\datasets\data_feeder.py", line 50, in assert_ready_for_upsampling assert len(x) % len(c) == 0 and len(x) // len(c) == audio.get_hop_size() AssertionError

Exception in thread Thread-7: Traceback (most recent call last): File "D:\Anaconda3\envs\wtx\lib\threading.py", line 916, in _bootstrap_inner self.run() File "D:\Anaconda3\envs\wtx\lib\threading.py", line 864, in run self._target(*self._args, **self._kwargs) File "D:\tf-wavenet_vocoder-master\apps\vocoder\datasets\data_feeder.py", line 145, in thread_main assert_ready_for_upsampling(wav, local_condition) File "D:\tf-wavenet_vocoder-master\apps\vocoder\datasets\data_feeder.py", line 50, in assert_ready_for_upsampling assert len(x) % len(c) == 0 and len(x) // len(c) == audio.get_hop_size() AssertionError

Exception in thread Thread-6: Traceback (most recent call last): File "D:\Anaconda3\envs\wtx\lib\threading.py", line 916, in _bootstrap_inner self.run() File "D:\Anaconda3\envs\wtx\lib\threading.py", line 864, in run self._target(*self._args, **self._kwargs) File "D:\tf-wavenet_vocoder-master\apps\vocoder\datasets\data_feeder.py", line 145, in thread_main assert_ready_for_upsampling(wav, local_condition) File "D:\tf-wavenet_vocoder-master\apps\vocoder\datasets\data_feeder.py", line 50, in assert_ready_for_upsampling assert len(x) % len(c) == 0 and len(x) // len(c) == audio.get_hop_size() AssertionError

Exception in thread Thread-4: Traceback (most recent call last): File "D:\Anaconda3\envs\wtx\lib\threading.py", line 916, in _bootstrap_inner self.run() File "D:\Anaconda3\envs\wtx\lib\threading.py", line 864, in run self._target(*self._args, **self._kwargs) File "D:\tf-wavenet_vocoder-master\apps\vocoder\datasets\data_feeder.py", line 145, in thread_main assert_ready_for_upsampling(wav, local_condition) File "D:\tf-wavenet_vocoder-master\apps\vocoder\datasets\data_feeder.py", line 50, in assert_ready_for_upsampling assert len(x) % len(c) == 0 and len(x) // len(c) == audio.get_hop_size() AssertionError

Exception in thread Thread-5: Traceback (most recent call last): File "D:\Anaconda3\envs\wtx\lib\threading.py", line 916, in _bootstrap_inner self.run() File "D:\Anaconda3\envs\wtx\lib\threading.py", line 864, in run self._target(*self._args, **self._kwargs) File "D:\tf-wavenet_vocoder-master\apps\vocoder\datasets\data_feeder.py", line 145, in thread_main assert_ready_for_upsampling(wav, local_condition) File "D:\tf-wavenet_vocoder-master\apps\vocoder\datasets\data_feeder.py", line 50, in assert_ready_for_upsampling assert len(x) % len(c) == 0 and len(x) // len(c) == audio.get_hop_size() AssertionError

Exception in thread Thread-3: Traceback (most recent call last): File "D:\Anaconda3\envs\wtx\lib\threading.py", line 916, in _bootstrap_inner self.run() File "D:\Anaconda3\envs\wtx\lib\threading.py", line 864, in run self._target(*self._args, **self._kwargs) File "D:\tf-wavenet_vocoder-master\apps\vocoder\datasets\data_feeder.py", line 145, in thread_main assert_ready_for_upsampling(wav, local_condition) File "D:\tf-wavenet_vocoder-master\apps\vocoder\datasets\data_feeder.py", line 50, in assert_ready_for_upsampling assert len(x) % len(c) == 0 and len(x) // len(c) == audio.get_hop_size() AssertionError