Apply style fixes

Author: github-actions[bot]

src/diffusers/schedulers/scheduling_ddpm.py

@@ -72,11 +72,11 @@ def betas_for_alpha_bar(
 
         def alpha_bar_fn(t):
             return math.cos((t + 0.008) / 1.008 * math.pi / 2) ** 2
-        
+
     elif alpha_transform_type == "laplace":
 
         def alpha_bar_fn(t):
-            lmb = - 0.5 * math.copysign(1, 0.5 - t) * math.log(1 - 2 * math.fabs(0.5 - t) + 1e-6)
+            lmb = -0.5 * math.copysign(1, 0.5 - t) * math.log(1 - 2 * math.fabs(0.5 - t) + 1e-6)
             snr = math.exp(lmb)
             return math.sqrt(snr / (1 + snr))