cleanup const

chris-b1 · chris-b1 · commit f0628c0624af · 2018-07-22T15:52:48.000-05:00
diff --git a/pandas/_libs/window.pyx b/pandas/_libs/window.pyx
@@ -650,7 +650,7 @@ cdef inline double calc_var(int64_t minp, int ddof, double nobs,
     return result
 
 
-cdef inline void add_var(const double val, double *nobs, double *mean_x,
+cdef inline void add_var(double val, double *nobs, double *mean_x,
                          double *ssqdm_x) nogil:
     """ add a value from the var calc """
     cdef double delta
