TensorFlow Federated 0.45.0

Release 0.45.0

Major Features and Improvements

• Integrated the CppToPythonExecutorBridge into the CPPExecutorFactory.
• Changed Python Remote Executor to decompose and stream structures in Compute
  and CreateValue when _stream_structs is true. Added a bool parameter
  stream_structs to
  tff.backends.native.set_localhost_cpp_execution_context() API.

Breaking Changes

• Renamed tff.backends.native.set_localhost_cpp_execution_context() to
  backends.native.set_sync_local_cpp_execution_context().
• Renamed tff.framework.ExecutionContext to
  tff.framework.SyncExecutionContext to be consistent with
  tff.framework.AsyncExecutionContext.
• Removed the SyncSerializeAndExecuteCPPContext and
  AsyncSerializeAndExecuteCPPContext classes.

Bug Fixes

• Fixed usage of typing.Generic in the learning package.
• Enabled pytype analysis for some modules.
• Fixed lint and formatting issues for some modules.