libshiboken: Recover from numpy import failures

Clear the Python error on failure. Note that PyErr_Occurred() is not
set for some reason in that case.

Task-number: PYSIDE-580
Change-Id: I5672b9f5bf98e3d409abb4132f2face060826a0a
Reviewed-by: Christian Tismer <tismer@stackless.com>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>

1 files changed, 3 insertions, 3 deletions

diff --git a/sources/shiboken2/libshiboken/sbknumpyarrayconverter.cpp b/sources/shiboken2/libshiboken/sbknumpyarrayconverter.cpp
index e941fbe26..97eab2205 100644
--- a/sources/shiboken2/libshiboken/sbknumpyarrayconverter.cpp
+++ b/sources/shiboken2/libshiboken/sbknumpyarrayconverter.cpp
@@ -270,11 +270,11 @@ void initNumPyArrayConverters()
     // Make sure to read about the magic defines PY_ARRAY_UNIQUE_SYMBOL etc.,
     // when changing this or spreading the code over several source files.
     if (_import_array() < 0) {
-        PyErr_Print();
-        PyErr_SetString(PyExc_ImportError, "numpy.core.multiarray failed to import");
+        if (debugNumPy)
+            PyErr_Print();
+        PyErr_Clear();
         return;
     }
-
     // Extend the converters for primitive types by NumPy ones.
     extendArrayConverter1<short, NPY_SHORT>();
     extendArrayConverter2<short, NPY_SHORT>();