parameters: (self, dt, idx=None)
return_statement: return timestamp < tt + od
docstring: Whether or not the "wall time" of a given datetime is ambiguous in this
          zone.
  
          :param dt:
              A :py:class:`datetime.datetime`, naive or time zone aware.
  
  
          :return:
              Returns ``True`` if ambiguous, ``False`` otherwise.
  
          .. versionadded:: 2.6.0
docstring_summary: Whether or not the "wall time" of a given datetime is ambiguous in this
          zone.
docstring_tokens: Whether or not the wall time of a given datetime is ambiguous in this zone .
function: def is_ambiguous(self, dt, idx=None):
          """
          Whether or not the "wall time" of a given datetime is ambiguous in this
          zone.
  
          :param dt:
              A :py:class:`datetime.datetime`, naive or time zone aware.
  
  
          :return:
              Returns ``True`` if ambiguous, ``False`` otherwise.
  
          .. versionadded:: 2.6.0
          """
          if idx is None:
              idx = self._find_last_transition(dt)
  
          # Calculate the difference in offsets from current to previous
          timestamp = _datetime_to_timestamp(dt)
          tti = self._get_ttinfo(idx)
  
          if idx is None or idx <= 0:
              return False
  
          od = self._get_ttinfo(idx - 1).offset - tti.offset
          tt = self._trans_list[idx]          # Transition time
  
          return timestamp < tt + od
function_tokens: def is_ambiguous ( self , dt , idx = None ) : if idx is None : idx = self . _find_last_transition ( dt ) # Calculate the difference in offsets from current to previous timestamp = _datetime_to_timestamp ( dt ) tti = self . _get_ttinfo ( idx ) if idx is None or idx <= 0 : return False od = self . _get_ttinfo ( idx - 1 ) . offset - tti . offset tt = self . _trans_list [ idx ] # Transition time return timestamp < tt + od