code: def report(self, stream):
          
          if not self.xcoverageToStdout:
              # This will create a false stream where output will be ignored
              stream = StringIO()
              
          super(XCoverage, self).report(stream)
          if not hasattr(self, 'coverInstance'):
              # nose coverage plugin 1.0 and earlier
              import coverage
              self.coverInstance = coverage._the_coverage
  
          modules = [module
                      for name, module in sys.modules.items()
                      if self.wantModuleCoverage(name, module)]
          log.debug("Coverage report will cover modules: %s", modules)
          morfs = [m.__file__ for m in modules if hasattr(m, '__file__')]
          self.coverInstance.xml_report(morfs, outfile=self.xcoverageFile)
docs: Output code coverage report.