v1.0.9.36 fixed the generation of warning msg about the length of Qobs in plot.OutputsModel

DESCRIPTION

 Package: airGR
 Type: Package
 Title: Suite of GR Hydrological Models for Precipitation-Runoff Modelling
-Version: 1.0.9.35
+Version: 1.0.9.36
 Date: 2017-09-05
 Authors@R: c(
   person("Laurent", "Coron", role = c("aut", "trl")),

R/plot.OutputsModel.R

@@ -20,7 +20,7 @@ plot.OutputsModel <- function(x, Qobs = NULL, IndPeriod_Plot = NULL, BasinArea =
         if (sum(is.na(Qobs)) != length(Qobs)) {
           BOOL_Qobs <- TRUE
         }
-      } else {
+      } else if (inherits(OutputsModel, "GR")) {
         warning("Incorrect length of Qobs. Time series of observed flow not drawn.")
       }
   BOOL_Snow <- FALSE;