// error found.
	Error func(err error)

	// An importer is used to import packages referred to from
	// import declarations.
	// If the installed importer implements ImporterFrom, the type
	// checker calls ImportFrom instead of Import.
	// The type checker reports an error if an importer is needed
	// but none was installed.
	Importer Importer

	// If Sizes != nil, it provides the sizing functions for package unsafe.

	// error found.
	Error func(err error)

	// An importer is used to import packages referred to from
	// import declarations.
	// If the installed importer implements ImporterFrom, the type
	// checker calls ImportFrom instead of Import.
	// The type checker reports an error if an importer is needed
	// but none was installed.
	Importer Importer

	// If Sizes != nil, it provides the sizing functions for package unsafe.

		_ = obj.Pkg()
	}
}
`
	// like src0, but also imports go/importer
	const src1 = `
package main

import (
	"go/types"
	_ "go/importer"
)

func main() {
	var info types.Info
	for _, obj := range info.Uses {
		_ = obj.Pkg()
	}
}
`
	// like src1 but with different import order
	// (used to fail with this issue)
	const src2 = `
package main

		imp.cgo = check.conf.go115UsesCgo
	} else {
		// ordinary import
		var err error
		if importer := check.conf.Importer; importer == nil {
			err = fmt.Errorf("Config.Importer not installed")
		} else if importerFrom, ok := importer.(ImporterFrom); ok {
			imp, err = importerFrom.ImportFrom(path, dir, 0)
			if imp == nil && err == nil {
				err = fmt.Errorf("Config.Importer.ImportFrom(%s, %s, 0) returned nil but no error", path, dir)
			}

		imp.cgo = check.conf.go115UsesCgo
	} else {
		// ordinary import
		var err error
		if importer := check.conf.Importer; importer == nil {
			err = fmt.Errorf("Config.Importer not installed")
		} else if importerFrom, ok := importer.(ImporterFrom); ok {
			imp, err = importerFrom.ImportFrom(path, dir, 0)
			if imp == nil && err == nil {
				err = fmt.Errorf("Config.Importer.ImportFrom(%s, %s, 0) returned nil but no error", path, dir)
			}

		_ = obj.Pkg()
	}
}
`
	// like src0, but also imports go/importer
	const src1 = `
package main

import (
	"go/types"
	_ "go/importer"
)

func main() {
	var info types.Info
	for _, obj := range info.Uses {
		_ = obj.Pkg()
	}
}
`
	// like src1 but with different import order
	// (used to fail with this issue)
	const src2 = `
package main

// type-checking.
var printPackageMu sync.Mutex

// typecheckFiles typechecks the given package files.
func typecheckFiles(path string, filenames []string, importer Importer) (*Package, error) {
	// Parse package files.
	var files []*syntax.File
	for _, filename := range filenames {
		var errs []error
		errh := func(err error) { errs = append(errs, err) }

	// the imported package to mark it as complete; effectively marking the
	// wrong package as complete. By using an "unclean" package path, the
	// file and package path are different, exposing the problem if present.
	// The same issue occurs with vendoring.)
	imports := make(map[string]*types.Package)
	fset := token.NewFileSet()
	for i := 0; i < 3; i++ {

from tensorflow.python.framework import importer
from tensorflow.python.framework import ops
from tensorflow.python.lib.io import file_io
from tensorflow.python.saved_model import builder
from tensorflow.python.saved_model import constants as saved_model_constants
from tensorflow.python.saved_model import loader_impl as saved_model_loader
from tensorflow.python.saved_model import tag_constants
from tensorflow.python.training import saver

//
// The defaults honor a Config in a manner compatible with 'go vet'.
var (
	makeTypesImporter = func(cfg *Config, fset *token.FileSet) types.Importer {
		compilerImporter := importer.ForCompiler(fset, cfg.Compiler, func(path string) (io.ReadCloser, error) {
			// path is a resolved package path, not an import path.
			file, ok := cfg.PackageFile[path]
			if !ok {
				if cfg.Compiler == "gccgo" && cfg.Standard[path] {