diff --git a/homeassistant/components/device_tracker/tplink.py b/homeassistant/components/device_tracker/tplink.py
index d80213dd549..560babe3d61 100755
--- a/homeassistant/components/device_tracker/tplink.py
+++ b/homeassistant/components/device_tracker/tplink.py
@@ -196,7 +196,7 @@ class Tplink3DeviceScanner(TplinkDeviceScanner):
             self.sysauth = regex_result.group(1)
             _LOGGER.info(self.sysauth)
             return True
-        except (ValueError, KeyError) as e:
+        except (ValueError, KeyError) as _:
             _LOGGER.error("Couldn't fetch auth tokens!"
                           " Response was: {}".format(response.text))
             return False