adding empty lines

Author: realead

pandas/_libs/src/klib/khash_python.h

@@ -22,10 +22,12 @@ khint64_t PANDAS_INLINE asint64(double key) {
 
 // correct for all inputs but not -0.0 and NaNs
 #define kh_float64_hash_func_0_NAN(key) (khint32_t)((asint64(key))>>33^(asint64(key))^(asint64(key))<<11)
+
 // correct for all inputs but not NaNs
 #define kh_float64_hash_func_NAN(key) ((key) == 0.0 ?                       \
                                         kh_float64_hash_func_0_NAN(0.0) : \
                                         kh_float64_hash_func_0_NAN(key))
+
 // correct for all
 #define kh_float64_hash_func(key) ((key) != (key) ?                       \
                                    kh_float64_hash_func_NAN(NAN) :        \