Exclude reprojection error from regression test

tests/regression_test/tests/test_calib.py

@@ -49,6 +49,8 @@ def read_intrinsics(tree: ET.ElementTree) -> np.ndarray:
     tx = float(node.get("TX", "nan"))
     ty = float(node.get("TY", "nan"))
 
+    # currently not used
+    # error leads to nan-value (Issue #364) being saved in demo
     reprojection_error = float(node.get("ReprError", "nan"))
     return np.array(
         [
@@ -71,7 +73,7 @@ def read_intrinsics(tree: ET.ElementTree) -> np.ndarray:
             tauy,
             tx,
             ty,
-            reprojection_error,
+            #reprojection_error,
         ]
     )