Update mne/cuda.py

Author: larsoner

mne/cuda.py

@@ -46,7 +46,8 @@ def get_shared_mem(
     Returns
     -------
     a mapped array: np.ndarray
-        An array to be passed into cupy.asarray, which does not copy if shared memory is already allocated.
+        An array to be passed into cupy.asarray, which does not copy if
+        shared memory is already allocated.
     """
     from numba import cuda