Update build_tar.py (#2171)

Update presubmit.yml

Update BUILD

Update BUILD

revert some stuff from #2098

goldens

n

Revert "n"

This reverts commit 8c094e7.

Revert "goldens"

This reverts commit ce1ff41.

Revert "revert some stuff from #2098"

This reverts commit afb5787.

Revert "Update presubmit.yml"

This reverts commit bf40dad.

container/BUILD

@@ -29,11 +29,10 @@ filegroup(
     visibility = ["//visibility:public"],
 )
 
-# TODO(xingao): Flip legacy_create_init to False if possible.
 py_binary(
     name = "build_tar",
     srcs = ["build_tar.py"],
-    legacy_create_init = True,
+    imports = ["."],
     python_version = "PY3",
     srcs_version = "PY2AND3",
     visibility = ["//visibility:public"],
@@ -46,6 +45,7 @@ py_library(
         "archive.py",
         "build_tar.py",
     ],
+    imports = ["."],
     srcs_version = "PY2AND3",
     visibility = ["//visibility:public"],
 )

container/build_tar.py

@@ -28,7 +28,7 @@
 import tarfile
 import tempfile
 
-from container import archive
+import archive
 
 class TarFile(object):
   """A class to generates a Docker layer."""