diff --git a/pl_bolts/optimizers/lr_scheduler.py b/pl_bolts/optimizers/lr_scheduler.py
index a35582973a..f8afb883f0 100644
--- a/pl_bolts/optimizers/lr_scheduler.py
+++ b/pl_bolts/optimizers/lr_scheduler.py
@@ -97,12 +97,11 @@ def get_lr(self) -> List[float]:
                 ) / 2 for base_lr, group in zip(self.base_lrs, self.optimizer.param_groups)
             ]
 
-        return [
-            (1 + math.cos(
+        return [(1 + math.cos(
                     math.pi * (self.last_epoch - self.warmup_epochs) / (self.max_epochs - self.warmup_epochs)
-                )) / (1 + math.cos(
-                    math.pi * (self.last_epoch - self.warmup_epochs - 1) / (self.max_epochs - self.warmup_epochs)
-                )) * (group["lr"] - self.eta_min) + self.eta_min for group in self.optimizer.param_groups
+                )) / (1 + math.cos(math.pi * (self.last_epoch - self.warmup_epochs - 1) / (
+                    self.max_epochs - self.warmup_epochs
+                ))) * (group["lr"] - self.eta_min) + self.eta_min for group in self.optimizer.param_groups
         ]
 
     def _get_closed_form_lr(self) -> List[float]: