configfile: Allow getchoice() to take a list

If a list is passed to getchoice(), seamlessly convert it to a dict.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

klippy/extras/probe.py

@@ -252,7 +252,7 @@ class ProbeSessionHelper:
         self.sample_count = config.getint('samples', 1, minval=1)
         self.sample_retract_dist = config.getfloat('sample_retract_dist', 2.,
                                                    above=0.)
-        atypes = {'median': 'median', 'average': 'average'}
+        atypes = ['median', 'average']
         self.samples_result = config.getchoice('samples_result', atypes,
                                                'average')
         self.samples_tolerance = config.getfloat('samples_tolerance', 0.100,