old_contents: from .checks import check_quantity, check_relativistic, _check_quantity, _check_relativistic
  from .exceptions import (PlasmaPyError, PhysicsError, RelativityError, AtomicError, MissingAtomicDataError, NoChargeInfoError, IonError, IsotopeError, ElementError, ParticleError,
                          PlasmaPyWarning, PhysicsWarning, RelativityWarning, AtomicWarning, MissingAtomicDataWarning)
  from .import_helpers import check_versions
  
new_contents: from .checks import (check_quantity,
                       check_relativistic,
                       _check_quantity,
                       _check_relativistic)
  
  from .exceptions import (PlasmaPyError,
                           PhysicsError,
                           RelativityError,
                           AtomicError,
                           MissingAtomicDataError,
                           ChargeError,
                           InvalidIonError,
                           InvalidIsotopeError,
                           InvalidElementError,
                           InvalidParticleError,
                           PlasmaPyWarning,
                           PhysicsWarning,
                           RelativityWarning,
                           AtomicWarning,
                           MissingAtomicDataWarning)
  
  from .import_helpers import check_versions
  
subject: Update atomic exception names in utils/__init__.py