| Index: tools/telemetry/telemetry/core/platform/power_monitor/android_ds2784_power_monitor.py
 | 
| diff --git a/tools/telemetry/telemetry/core/platform/power_monitor/android_ds2784_power_monitor.py b/tools/telemetry/telemetry/core/platform/power_monitor/android_ds2784_power_monitor.py
 | 
| index 8d4ae26f778212ef4cb62530a2e489c7bde31eee..7a57260a7abb27a457c5ee4079c48e114591bf20 100644
 | 
| --- a/tools/telemetry/telemetry/core/platform/power_monitor/android_ds2784_power_monitor.py
 | 
| +++ b/tools/telemetry/telemetry/core/platform/power_monitor/android_ds2784_power_monitor.py
 | 
| @@ -29,7 +29,7 @@ class DS2784PowerMonitor(power_monitor.PowerMonitor):
 | 
|  
 | 
|    @decorators.Cache
 | 
|    def _HasFuelGauge(self):
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| -    return self._device.old_interface.FileExistsOnDevice(CHARGE_COUNTER)
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| +    return self._device.FileExists(CHARGE_COUNTER)
 | 
|  
 | 
|    def CanMonitorPower(self):
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|      if not self._HasFuelGauge():
 | 
| 
 |