fix_python_discovery.patch

commit c596ddc7ca1929d740b78ba2ff953b2406041e04
Author: Kevin Egger <eggerk@ethz.ch>
Date:   Wed Nov 9 15:39:50 2016 +0100

    Turned error messages for Python numpy discovery off.

diff --git cmake/OpenCVDetectPython.cmake b/cmake/OpenCVDetectPython.cmake
index 6dec76f..fba147a 100644
--- cmake/OpenCVDetectPython.cmake
+++ cmake/OpenCVDetectPython.cmake
@@ -177,6 +177,7 @@ if(NOT ${found})
           execute_process(COMMAND "${_executable}" -c "import os; os.environ['DISTUTILS_USE_SDK']='1'; import numpy.distutils; print(os.pathsep.join(numpy.distutils.misc_util.get_numpy_include_dirs()))"
                           RESULT_VARIABLE _numpy_process
                           OUTPUT_VARIABLE _numpy_include_dirs
+                          ERROR_QUIET
                           OUTPUT_STRIP_TRAILING_WHITESPACE)
 
           if(NOT _numpy_process EQUAL 0)