code: func (f *file) lintImports() {
  	for i, is := range f.f.Imports {
  		_ = i
  		if is.Name != nil && is.Name.Name == "." && !f.isTest() {
  			f.errorf(is, 1, link(styleGuideBase+"#import-dot"), category("imports"), "should not use dot imports")
  		}
  
  	}
  }
docs: // lintImports examines import blocks.