fixed Bug #3143 - flann 'not implemented' error

modules/python/src2/cv2.cpp

@@ -510,13 +510,6 @@ PyObject* pyopencv_from(const cvflann_flann_distance_t& value)
     return PyInt_FromLong(int(value));
 }
 
-template<>
-bool pyopencv_to(PyObject*, cv::flann::SearchParams &, const char *)
-{
-    CV_Assert(!"not implemented");
-    return false;
-}
-
 template<>
 bool pyopencv_to(PyObject* obj, int& value, const char* name)
 {
@@ -1055,6 +1048,12 @@ bool pyopencv_to(PyObject *o, cv::flann::IndexParams& p, const char *name)
     return ok;
 }
 
+template<>
+bool pyopencv_to(PyObject* obj, cv::flann::SearchParams & value, const char * name)
+{
+    return pyopencv_to<cv::flann::IndexParams>(obj, value, name);
+}
+
 template <typename T>
 bool pyopencv_to(PyObject *o, Ptr<T>& p, const char *name)
 {