diff --git a/modules/calib3d/src/calibration.cpp b/modules/calib3d/src/calibration.cpp
index a63448506..e48393502 100644
--- a/modules/calib3d/src/calibration.cpp
+++ b/modules/calib3d/src/calibration.cpp
@@ -3360,7 +3360,11 @@ void cv::projectPoints( InputArray _opoints,
     CvMat c_cameraMatrix = cameraMatrix;
     CvMat c_rvec = rvec, c_tvec = tvec;
 
+    double dc0buf[5]={0};
+    Mat dc0(5,1,CV_64F,dc0buf);
     Mat distCoeffs = _distCoeffs.getMat();
+    if( distCoeffs.empty() )
+        distCoeffs = dc0;
     CvMat c_distCoeffs = distCoeffs;
     int ndistCoeffs = distCoeffs.rows + distCoeffs.cols - 1;
 
@@ -3375,8 +3379,7 @@ void cv::projectPoints( InputArray _opoints,
         pdpddist = &(dpddist = jacobian.colRange(10, 10+ndistCoeffs));
     }
 
-    cvProjectPoints2( &c_objectPoints, &c_rvec, &c_tvec, &c_cameraMatrix,
-                      (distCoeffs.empty())? 0: &c_distCoeffs,
+    cvProjectPoints2( &c_objectPoints, &c_rvec, &c_tvec, &c_cameraMatrix, &c_distCoeffs,
                       &c_imagePoints, pdpdrot, pdpdt, pdpdf, pdpdc, pdpddist, aspectRatio );
 }
 
diff --git a/modules/calib3d/src/modelest.cpp b/modules/calib3d/src/modelest.cpp
index 76f6d6219..cecd708e7 100644
--- a/modules/calib3d/src/modelest.cpp
+++ b/modules/calib3d/src/modelest.cpp
@@ -460,20 +460,23 @@ int cv::estimateAffine3D(InputArray _from, InputArray _to,
                          double param1, double param2)
 {
     Mat from = _from.getMat(), to = _to.getMat();
-    int count = from.checkVector(3, CV_32F);
+    int count = from.checkVector(3);
 
-    CV_Assert( count >= 0 && to.checkVector(3, CV_32F) == count );
+    CV_Assert( count >= 0 && to.checkVector(3) == count );
 
     _out.create(3, 4, CV_64F);
     Mat out = _out.getMat();
 
-    _inliers.create(count, 1, CV_8U, -1, true);
+    _inliers.create(count, 1, CV_8U);
     Mat inliers = _inliers.getMat();
     inliers = Scalar::all(1);
+    transpose(inliers, inliers);
 
     Mat dFrom, dTo;
     from.convertTo(dFrom, CV_64F);
     to.convertTo(dTo, CV_64F);
+    dFrom = dFrom.reshape(3, 1);
+    dTo = dTo.reshape(3, 1);
 
     CvMat F3x4 = out;
     CvMat mask  = inliers;
diff --git a/modules/python/test/test.py b/modules/python/test/test.py
index 924708c48..7c511e4ef 100755
--- a/modules/python/test/test.py
+++ b/modules/python/test/test.py
@@ -16,6 +16,8 @@ import functools
 
 import cv2.cv as cv
 
+from test2 import *
+
 class OpenCVTests(unittest.TestCase):
 
     depths = [ cv.IPL_DEPTH_8U, cv.IPL_DEPTH_8S, cv.IPL_DEPTH_16U, cv.IPL_DEPTH_16S, cv.IPL_DEPTH_32S, cv.IPL_DEPTH_32F, cv.IPL_DEPTH_64F ]
@@ -2200,10 +2202,6 @@ class DocumentFragmentTests(OpenCVTests):
         self.assertEqual(self.hashimg(h1), self.hashimg(h3))
         self.assertNotEqual(self.hashimg(h1), self.hashimg(h2))
 
-class NewTests(OpenCVTests):
-
-    pass
-
 if __name__ == '__main__':
     print "testing", cv.__version__
     random.seed(0)