Fix flake8

Author: phofl

pandas/_libs/algos.pyx

@@ -268,7 +268,8 @@ def nancorr(const float64_t[:, :] mat, bint cov=False, minp=None):
         ndarray[float64_t, ndim=2] result
         ndarray[uint8_t, ndim=2] mask
         int64_t nobs = 0
-        float64_t vx, vy, meanx, meany, divisor, prev_meany, prev_meanx, ssqdmx, ssqdmy, covxy
+        float64_t vx, vy, meanx, meany, divisor, prev_meany, prev_meanx, ssqdmx,
+        float64_t ssqdmy, covxy
 
     N, K = (<object>mat).shape
 
@@ -313,7 +314,6 @@ def nancorr(const float64_t[:, :] mat, bint cov=False, minp=None):
 # Pairwise Spearman correlation
 
 
-
 @cython.boundscheck(False)
 @cython.wraparound(False)
 def nancorr_spearman(const float64_t[:, :] mat, Py_ssize_t minp=1) -> ndarray: