Appease pylint

sky/tools/create_macos_binary.py

@@ -5,7 +5,6 @@
 # found in the LICENSE file.
 
 import argparse
-import platform
 import os
 import subprocess
 import sys
@@ -17,39 +16,39 @@ def canonical_path(path):
   source tree's buildroot directory."""
   if os.path.isabs(path):
     return path
-  buildroot_dir = os.path.abspath(os.path.join(os.path.realpath(__file__), "..", "..", "..", ".."))
+  buildroot_dir = os.path.abspath(os.path.join(os.path.realpath(__file__), '..', '..', '..', '..'))
   return os.path.join(buildroot_dir, path)
 
 
 def assert_file_exists(binary_path, arch):
   if not os.path.isfile(binary_path):
-    print("Cannot find macOS %s binary at %s" % (arch, binary_path))
+    print('Cannot find macOS %s binary at %s' % (arch, binary_path))
     sys.exit(1)
 
 
 def create_universal_binary(in_arm64, in_x64, out):
-  subprocess.check_call(["lipo", in_arm64, in_x64, "-create", "-output", out])
+  subprocess.check_call(['lipo', in_arm64, in_x64, '-create', '-output', out])
 
 
 def main():
   parser = argparse.ArgumentParser(
-      description="Creates a universal binary from input arm64, x64 binaries"
+      description='Creates a universal binary from input arm64, x64 binaries'
   )
-  parser.add_argument("--in-arm64", type=str, required=True)
-  parser.add_argument("--in-x64", type=str, required=True)
-  parser.add_argument("--out", type=str, required=True)
+  parser.add_argument('--in-arm64', type=str, required=True)
+  parser.add_argument('--in-x64', type=str, required=True)
+  parser.add_argument('--out', type=str, required=True)
   args = parser.parse_args()
 
   in_arm64 = canonical_path(args.in_arm64)
   in_x64 = canonical_path(args.in_x64)
   out = canonical_path(args.out)
 
-  assert_file_exists(in_arm64, "arm64")
-  assert_file_exists(in_x64, "x64")
+  assert_file_exists(in_arm64, 'arm64')
+  assert_file_exists(in_x64, 'x64')
   create_universal_binary(in_arm64, in_x64, out)
 
   return 0
 
 
-if __name__ == "__main__":
+if __name__ == '__main__':
   sys.exit(main())