Handle arbitrary bunch count

data.py

@@ -298,7 +298,7 @@ class LiberaBBBData(LiberaData):
         :param h: the harmonic number of the RF system (number of bunches per turn)
         :param b: the bunch index or None for an average
         """
-        wrap = lambda a: a.reshape(-1, h).mean(axis=1) if b is None else a[b::h]
+        wrap = lambda a: a[:(len(a)//h)*h].reshape(-1, h).mean(axis=1) if b is None else a[b::h]
         return LiberaTBTData(t=wrap(self.t), x=wrap(self.x), y=wrap(self.y), s=wrap(self.s),
                              x_unit=self.x_unit, y_unit=self.y_unit, s_unit=self.s_unit)