def on_enter(self):
self.instrument_list = instrumentdb.keys()
self.obsids = {x:obsrundb[x] for x in obsrundb}
self.obsrun_list = obsrundb.keys()
self.obsrun_buttons = [Button(text=x, size_hint_y = None, height = 30) \
for x in self.obsrun_list]
def on_pre_enter(self):
self.saved_instrument_names = sorted(instrumentdb.keys())
self.saved_instruments = [instrumentdb[s] for s in self.saved_instrument_names]
self.instrument_list = [Button(text = x, size_hint_y = None, height = '30dp') \
for x in self.saved_instrument_names]
