old_contents: """
  Import's all the PIDs.
  """
  
  from .imin import PID_WB
  from .iproj import PID_Proj
  from .iwedge import PID_GK
  from .immi import PID_MMI
  from .ibroja import PID_BROJA
  from .iccs import PID_CCS
  from .idep import PID_dep, PID_RA
  from .iskar import (PID_SKAR_nw,
                      PID_SKAR_owa,
                      PID_SKAR_owb,
                      PID_SKAR_tw,
                      )
  from .ipm import PID_PM
  from .irav import PID_RAV
  from .irr import PID_RR
  from .hcs import PED_CS
  from .distributions import bivariates, trivariates
  
  __all_pids = [
      PID_MMI,
      PID_GK,
      PID_WB,
      PID_RR,
      PID_CCS,
      PID_PM,
      PID_Proj,
      PID_BROJA,
      PID_dep,
      PID_RA,
      PID_RAV,
      PID_SKAR_owb,
  ]
  
new_contents: """
  Import's all the PIDs.
  """
  
  from .imin import PID_WB
  from .iproj import PID_Proj
  from .iwedge import PID_GK
  from .immi import PID_MMI
  from .ibroja import PID_BROJA
  from .iccs import PID_CCS
  from .idep import PID_dep, PID_RA
  from .iskar import PID_SKAR_owb
  from .ipm import PID_PM
  from .irav import PID_RAV
  from .irr import PID_RR
  from .hcs import PED_CS
  from .distributions import bivariates, trivariates
  
  __all_pids = [
      PID_MMI,
      PID_GK,
      PID_WB,
      PID_RR,
      PID_CCS,
      PID_PM,
      PID_Proj,
      PID_BROJA,
      PID_dep,
      PID_RA,
      PID_RAV,
      PID_SKAR_owb,
  ]
  
subject: remove unused imports