Fix timeframe/compression detection when plotting

backtrader · backtrader · commit ba336a0688da · 2020-05-28T04:12:32.000+02:00
diff --git a/backtrader/plot/plot.py b/backtrader/plot/plot.py
@@ -271,8 +271,11 @@ def plot(self, strategy, figid=0, numfigs=1, iplot=True,
         return figs
 
     def setlocators(self, ax):
-        comp = getattr(self.pinf.clock, '_compression', 1)
-        tframe = getattr(self.pinf.clock, '_timeframe', TimeFrame.Days)
+        clock = sorted(self.pinf.clock.datas,
+                       key=lambda x: (x._timeframe, x._compression))[0]
+
+        comp = getattr(clock, '_compression', 1)
+        tframe = getattr(clock, '_timeframe', TimeFrame.Days)
 
         if self.pinf.sch.fmt_x_data is None:
             if tframe == TimeFrame.Years:
