setting folder for windows binares

tests/python/unittest/test_library_loading.py

@@ -31,16 +31,18 @@ def check_platform():
 def test_library_loading():
     if (os.name=='posix'):
         lib = 'libsample_lib.so'
+        if os.path.exists(lib):
+            fname = lib
+        elif os.path.exists('build/'+lib):
+            fname = 'build/'+lib
+        else:
+            raise MXNetError("library %s not found " % lib)
     elif (os.name=='nt'):
         lib = 'libsample_lib.dll'
+        if os.path.exists('windows_package\\lib\\'+lib):
+            fname = 'windows_package\\lib\\'+lib
+        else:
+            raise MXNetError("library %s not found " % lib)
 
-    if os.path.exists(lib):
-        libdir = ''
-    elif os.path.exists('build/'+lib):
-        libdir = 'build/'
-    else:
-        raise MXNetError("library %s not found " % lib)
-
-    fname = libdir + lib
     fname = os.path.abspath(fname)
     mx.library.load(fname)