code: def get_package_name_in_pipfile(self, package_name, dev=False):
          
          key = "dev-packages" if dev else "packages"
          section = self.parsed_pipfile.get(key, {})
          package_name = pep423_name(package_name)
          for name in section.keys():
              if pep423_name(name) == package_name:
                  return name
          return None
docs: Get the equivalent package name in pipfile