message: Removed _ctx is not None check from the generated Python op wrappers
  _ctx is never None since context.context() always returns a Context instance.
diff: @@ -693,10 +693,9 @@ bool GenEagerPythonOp::AddEagerFastPathAndGraphCode(
  AddDocStringOutputs();
  strings::StrAppend(&result_, " \"\"\"\n");
  - strings::StrAppend(
  - &result_,
  + strings::StrAppend(&result_,
  " _ctx = _context._context or _context.context()\n"
  - " if _ctx is not None and _ctx._thread_local_data.is_eager:",
  + " if _ctx._thread_local_data.is_eager:",
  "\n");
  if (eager_not_allowed_error.empty()) {
  AddEagerFastPathExecute();
  