Changed log.exception to log.warning

cms/djangoapps/contentstore/views.py

@@ -454,7 +454,7 @@ def preview_dispatch(request, preview_id, location, dispatch=None):
         raise Http404
 
     except ProcessingError:
-        log.exception("Module raised an error while processing AJAX request")
+        log.warning("Module raised an error while processing AJAX request")
         return HttpResponseBadRequest()
 
     except:

common/lib/capa/capa/responsetypes.py

@@ -1236,7 +1236,7 @@ def sympy_check2():
 
         # Log the error if we are debugging
         msg = 'Error occurred while evaluating CustomResponse'
-        log.debug(msg, exc_info=True)
+        log.warning(msg, exc_info=True)
 
         # Notify student with a student input error
         _, _, traceback_obj = sys.exc_info()