Merge pull request #3343 from lissyx/docker-1.15.4

Use correct 1.15.4 docker image

Dockerfile.train.tmpl

@@ -1,6 +1,6 @@
 # Please refer to the TRAINING documentation, "Basic Dockerfile for training"
 
-FROM tensorflow/tensorflow:1.15.2-gpu-py3
+FROM tensorflow/tensorflow:1.15.4-gpu-py3
 ENV DEBIAN_FRONTEND=noninteractive
 
 ENV DEEPSPEECH_REPO=#DEEPSPEECH_REPO#
@@ -43,9 +43,6 @@ RUN pip3 install --upgrade native_client/ctcdecode/dist/*.whl
 # Prepare deps
 RUN pip3 install --upgrade pip==20.2.2 wheel==0.34.2 setuptools==49.6.0
 
-# FIXME: Hack because no 1.15.4 Docker image
-RUN pip3 install --upgrade tensorflow-gpu==1.15.4
-
 # Install DeepSpeech
 #  - No need for the decoder since we did it earlier
 #  - There is already correct TensorFlow GPU installed on the base image,

taskcluster/generic_tc_caching-win-opt-base.tyml

@@ -24,6 +24,7 @@ payload:
   env:
     TC_MSYS_VERSION: 'MSYS_NT-6.3-9600'
     MSYS: 'winsymlinks:nativestrict'
+    GIT_LFS_SKIP_SMUDGE: '1'
 
   command:
     - >-

taskcluster/test-win-cuda-opt-base.tyml

@@ -31,6 +31,7 @@ then:
         EXPECTED_TENSORFLOW_VERSION: "${build.tensorflow_git_desc}"
         TC_MSYS_VERSION: 'MSYS_NT-6.3-9600'
         MSYS: 'winsymlinks:nativestrict'
+        GIT_LFS_SKIP_SMUDGE: '1'
 
     command:
       - >-

taskcluster/test-win-opt-base.tyml

@@ -33,6 +33,7 @@ then:
         EXPECTED_TENSORFLOW_VERSION: "${build.tensorflow_git_desc}"
         TC_MSYS_VERSION: 'MSYS_NT-6.3-9600'
         MSYS: 'winsymlinks:nativestrict'
+        GIT_LFS_SKIP_SMUDGE: '1'
 
     command:
       - >-

taskcluster/win-opt-base.tyml

@@ -32,6 +32,7 @@ payload:
   env:
     TC_MSYS_VERSION: 'MSYS_NT-6.3-9600'
     MSYS: 'winsymlinks:nativestrict'
+    GIT_LFS_SKIP_SMUDGE: '1'
     EXAMPLES_CLONE_URL: "https://github.com/mozilla/DeepSpeech-examples"
     EXAMPLES_CHECKOUT_TARGET: "master"