add docker (#4000)

* add docker

* fix unit error > Type promotion

* fix url

docker/ubuntu20-cpu/Dockerfile

@@ -0,0 +1,17 @@
+FROM registry.baidubce.com/paddlepaddle/paddle:3.0.0b1
+LABEL maintainer="ext_paddle_oss@baidu.com"
+
+RUN apt-get update \
+  && apt-get install libsndfile-dev libsndfile1 \
+  && apt-get clean \
+  && rm -rf /var/lib/apt/lists/*
+
+RUN git clone --depth 1 https://github.com/PaddlePaddle/PaddleSpeech.git /home/PaddleSpeech  
+RUN pip3 uninstall mccabe -y ; exit 0;
+RUN pip3 install multiprocess==0.70.12 importlib-metadata==4.2.0 dill==0.3.4
+
+WORKDIR /home/PaddleSpeech/
+RUN python setup.py bdist_wheel
+RUN pip install dist/*.whl -i https://pypi.tuna.tsinghua.edu.cn/simple
+
+CMD ['bash']

tests/unit/asr/reverse_pad_list.py

@@ -65,14 +65,16 @@ def reverse_pad_list_with_sos_eos(r_hyps,
     max_len = paddle.max(r_hyps_lens)
     index_range = paddle.arange(0, max_len, 1)
     seq_len_expand = r_hyps_lens.unsqueeze(1)
-    seq_mask = seq_len_expand > index_range  # (beam, max_len)
+    seq_mask = seq_len_expand > index_range.astype(
+        seq_len_expand.dtype)  # (beam, max_len)
 
-    index = (seq_len_expand - 1) - index_range  # (beam, max_len)
+    index = (seq_len_expand - 1) - index_range.astype(
+        seq_len_expand.dtype)  # (beam, max_len)
     #   >>> index
     #   >>> tensor([[ 2,  1,  0],
     #   >>>         [ 2,  1,  0],
     #   >>>         [ 0, -1, -2]])
-    index = index * seq_mask
+    index = index * seq_mask.astype(index.dtype)
 
     #   >>> index
     #   >>> tensor([[2, 1, 0],
@@ -103,7 +105,8 @@ def reverse_pad_list_with_sos_eos(r_hyps,
     #   >>> tensor([[3, 2, 1],
     #   >>>         [4, 8, 9],
     #   >>>         [2, 2, 2]])
-    r_hyps = paddle.where(seq_mask, r_hyps, eos)
+    r_hyps = paddle.where(seq_mask, r_hyps,
+                          paddle.to_tensor(eos, dtype=r_hyps.dtype))
     #   >>> r_hyps
     #   >>> tensor([[3, 2, 1],
     #   >>>         [4, 8, 9],