diff --git a/skimage/feature/corner_cy.pyx b/skimage/feature/corner_cy.pyx
index 154c4987..d8c97f25 100644
--- a/skimage/feature/corner_cy.pyx
+++ b/skimage/feature/corner_cy.pyx
@@ -116,7 +116,6 @@ def _corner_fast(double[:, ::1] image, char n, double threshold):
 
     cdef char *rp = [0, 1, 2, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -2, -1]
     cdef char *cp = [3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -2, -1, 0, 1, 2, 3]
-
     cdef char bins[16]
     cdef double circle_intensities[16]