set python install path to mimic 3.4.4 behaviour

Author: skvark

setup.py

@@ -102,10 +102,11 @@ def main():
         # skbuild inserts PYTHON_* vars. That doesn't satisfy opencv build scripts in case of Py3
         "-DPYTHON%d_EXECUTABLE=%s" % (sys.version_info[0], sys.executable),
         "-DBUILD_opencv_python%d=ON" % sys.version_info[0],
+        "-DOPENCV_SKIP_PYTHON_LOADER=ON",
+        "-DOPENCV_PYTHON_INSTALL_PATH=python",
         # Otherwise, opencv scripts would want to install `.pyd' right into site-packages,
         # and skbuild bails out on seeing that
         "-DINSTALL_CREATE_DISTRIB=ON",
-        "-DOPENCV_SKIP_PYTHON_LOADER=ON",
         # See opencv/CMakeLists.txt for options and defaults
         "-DBUILD_opencv_apps=OFF",
         "-DBUILD_SHARED_LIBS=OFF",