code: def fromutc(self, dt):
          "datetime in UTC -> datetime in local time."
  
          if not isinstance(dt, datetime):
              raise TypeError("fromutc() requires a datetime argument")
          if dt.tzinfo is not self:
              raise ValueError("dt.tzinfo is not self")
  
          dtoff = dt.utcoffset()
          if dtoff is None:
              raise ValueError("fromutc() requires a non-None utcoffset() "
                               "result")
  
          # See the long comment block at the end of this file for an
          # explanation of this algorithm.
          dtdst = dt.dst()
          if dtdst is None:
              raise ValueError("fromutc() requires a non-None dst() result")
          delta = dtoff - dtdst
          if delta:
              dt += delta
              dtdst = dt.dst()
              if dtdst is None:
                  raise ValueError("fromutc(): dt.dst gave inconsistent "
                                   "results; cannot convert")
          return dt + dtdsf fromutc(self, dt):
          "datetime in UTC -> datetime in local time."
  
          if not isinstance(dt, datetime):
              raise TypeError("fromutc() requires a datetime argument")
          if dt.tzinfo is not self:
              raise ValueError("dt.tzinfo is not self")
  
          dtoff = dt.utcoffset()
          if dtoff is None:
              raise ValueError("fromutc() requires a non-None utcoffset() "
                               "result")
  
          # See the long comment block at the end of this file for an
          # explanation of this algorithm.
          dtdst = dt.dst()
          if dtdst is None:
              raise ValueError("fromutc() requires a non-None dst() result")
          delta = dtoff - dtdst
          if delta:
              dt += delta
              dtdst = dt.dst()
              if dtdst is None:
                  raise ValueError("fromutc(): dt.dst gave inconsistent "
                                   "results; cannot convert")
          return dt + dtdst
docs: datetime in UTC -> datetime in local time.