actually change caching logic

Author: chris-b1

ci/prep_cython_cache.sh

@@ -2,10 +2,9 @@
 
 ls "$HOME/.cache/"
 
-
 PYX_CACHE_DIR="$HOME/.cache/pyxfiles"
-pyx_file_list=`find ${TRAVIS_BUILD_DIR} -name "*.pyx"`
-pyx_cache_file_list=`find ${PYX_CACHE_DIR} -name "*.pyx"`
+pyx_file_list=`find ${TRAVIS_BUILD_DIR} -name "*.pyx" -o -name "*.pxd"`
+pyx_cache_file_list=`find ${PYX_CACHE_DIR} -name "*.pyx" -o -name "*.pxd"`
 
 CACHE_File="$HOME/.cache/cython_files.tar"
 

pandas/src/util.pxd

@@ -85,6 +85,7 @@ cdef inline bint _checknull(object val):
     except ValueError:
         return False
 
+
 cdef inline bint _checknull_old(object val):
     import numpy as np
     cdef double INF = <double> np.inf