Reformatted per pre-commit

Author: tekktrik

adafruit_motor/stepper.py

@@ -113,7 +113,10 @@ def __init__(
             # set a safe pwm freq for each output
             self._coil = (ain2, bin1, ain1, bin2)
             for i in range(4):
-                if self._coil[i].frequency < 1500 and not self._coil[i].variable_frequency:
+                if (
+                    self._coil[i].frequency < 1500
+                    and not self._coil[i].variable_frequency
+                ):
                     raise ValueError(
                         "PWMOut outputs must either be set to at least "
                         "1500 Hz or allow variable frequency."